New Scientist - Physics New Scientist - Physics https://www.newscientist.com/ New Scientist - Physics https://www.newscientist.com/build/images/ns-logo-scaled.ed2dc11a.png https://www.newscientist.com daily 1 Sperm caught breaking Newton's third law of motion https://www.newscientist.com/article/2397442-sperm-caught-breaking-newtons-third-law-of-motion/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 20 Oct 2023 15:00:31 +0100 Some biological cells swim freely in a way that apparently breaks one of Newton’s laws of motion – but only if they have strange elastic properties 2397442-sperm-caught-breaking-newtons-third-law-of-motion|2397442 Strange upward lightning shoots out X-rays as it rises to the clouds https://www.newscientist.com/article/2397616-strange-upward-lightning-shoots-out-x-rays-as-it-rises-to-the-clouds/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 18 Oct 2023 20:00:35 +0100 Tall buildings made from electrically conductive materials can send lightning bolts up into the heavens during a thunderstorm, and they generate X-rays at the same time 2397616-strange-upward-lightning-shoots-out-x-rays-as-it-rises-to-the-clouds|2397616 Could nuclear weapons testing resume as global tensions rise? https://www.newscientist.com/article/2397254-could-nuclear-weapons-testing-resume-as-global-tensions-rise/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Tue, 17 Oct 2023 10:49:47 +0100 Only North Korea has detonated nuclear weapons during the 21st century, but recent indications suggest Russia, the US and China are preparing to resume tests 2397254-could-nuclear-weapons-testing-resume-as-global-tensions-rise|2397254 Hiroshi Sugimoto: 'I'm borrowing important scientists' experiences' https://www.newscientist.com/video/2397246-hiroshi-sugimoto-im-borrowing-important-scientists-experiences/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Thu, 12 Oct 2023 13:00:35 +0100 Hiroshi Sugimoto's retrospective puts the influential photographer's scientific inspiration on show 2397246-hiroshi-sugimoto-im-borrowing-important-scientists-experiences|2397246 Future of fusion: How the UK's JET reactor paved the way for ITER https://www.newscientist.com/video/2396239-future-of-fusion-how-the-uks-jet-reactor-paved-the-way-for-iter/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Thu, 05 Oct 2023 19:00:48 +0100 We visited the UK's fusion tokamak, JET, to see how four decades of experimentation is paving the way for ITER, the next-generation reactor in France 2396239-future-of-fusion-how-the-uks-jet-reactor-paved-the-way-for-iter|2396239 Nobel prize for physics goes to trio who sliced up time with light https://www.newscientist.com/article/2395567-nobel-prize-for-physics-goes-to-trio-who-sliced-up-time-with-light/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Tue, 03 Oct 2023 12:05:09 +0100 Pierre Agostini, Ferenc Krausz and Anne L’Huillier figured out how to generate attosecond pulses of light, which last a billionth of a billionth of a second and can be used to make movies of electrons - a find that has won them the 2023 Nobel prize in physics 2395567-nobel-prize-for-physics-goes-to-trio-who-sliced-up-time-with-light|2395567 Large Hadron Collider turned into world's biggest quantum experiment https://www.newscientist.com/article/2395452-large-hadron-collider-turned-into-worlds-biggest-quantum-experiment/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Tue, 03 Oct 2023 10:00:36 +0100 Physicists have used the famous particle smasher to investigate the strange phenomena of quantum entanglement at far higher energies than ever before 2395452-large-hadron-collider-turned-into-worlds-biggest-quantum-experiment|2395452 Force that holds atoms together measured more precisely than ever https://www.newscientist.com/article/2395023-force-that-holds-atoms-together-measured-more-precisely-than-ever/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 02 Oct 2023 19:00:56 +0100 We know less about the strength of the strong force than of any of the other fundamental forces of nature, but researchers at CERN have now made the most precise measurement of it ever 2395023-force-that-holds-atoms-together-measured-more-precisely-than-ever|2395023 Raisins and nuts dance in fizzy drinks and now we know why https://www.newscientist.com/article/2393578-raisins-and-nuts-dance-in-fizzy-drinks-and-now-we-know-why/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Thu, 28 Sep 2023 15:00:56 +0100 Dropping raisins, nuts or other small objects in a fizzy liquid makes them dance up and down for hours because they keep gaining and losing bubbles 2393578-raisins-and-nuts-dance-in-fizzy-drinks-and-now-we-know-why|2393578 Inside ALPHA-g: The detector measuring gravity's effect on antimatter https://www.newscientist.com/video/2394556-inside-alpha-g-the-detector-measuring-gravitys-effect-on-antimatter/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 27 Sep 2023 18:26:05 +0100 New research has shown that if you drop a piece of antimatter, it will fall down to the ground just like regular matter.  We visited CERN's antimatter factory to find out more 2394556-inside-alpha-g-the-detector-measuring-gravitys-effect-on-antimatter|2394556 Antimatter definitely doesn't fall up, physicists confirm https://www.newscientist.com/article/2394304-antimatter-definitely-doesnt-fall-up-physicists-confirm/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 27 Sep 2023 17:00:43 +0100 In a blow for the hopes of antigravity machines, the first ever test of how antimatter responds to gravity confirms it falls down, not up 2394304-antimatter-definitely-doesnt-fall-up-physicists-confirm|2394304 Quantum engine could power devices with an ultracold atom cloud https://www.newscientist.com/article/2394278-quantum-engine-could-power-devices-with-an-ultracold-atom-cloud/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 27 Sep 2023 17:00:02 +0100 A quantum engine that works by toggling the properties of an ultracold atom cloud could one day be used to charge quantum batteries 2394278-quantum-engine-could-power-devices-with-an-ultracold-atom-cloud|2394278 Twisted lasers could let us send messages with gravitational waves https://www.newscientist.com/article/2393613-twisted-lasers-could-let-us-send-messages-with-gravitational-waves/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 25 Sep 2023 10:00:47 +0100 Ripples in space-time called gravitational waves are normally associated with massive objects like black holes, but we could make our own using lasers – and perhaps even use them to communicate 2393613-twisted-lasers-could-let-us-send-messages-with-gravitational-waves|2393613 Squeezing loofah sponges creates enough electricity to power LEDs https://www.newscientist.com/article/2393438-squeezing-loofah-sponges-creates-enough-electricity-to-power-leds/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 25 Sep 2023 21:00:06 +0100 Sponges derived from luffa plants could act as tiny power sources for small devices, say researchers - but they may not supply enough energy to be practical 2393438-squeezing-loofah-sponges-creates-enough-electricity-to-power-leds|2393438 The world’s brightest X-ray machine has been turned on https://www.newscientist.com/article/2392138-the-worlds-brightest-x-ray-machine-has-been-turned-on/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 18 Sep 2023 15:00:37 +0100 The LCLS-II X-ray laser is unprecedentedly bright, and will make it possible to record exactly what atoms and molecules do during photosynthesis and other chemical reactions 2392138-the-worlds-brightest-x-ray-machine-has-been-turned-on|2392138 City-wide quantum communication network in China is most advanced yet https://www.newscientist.com/article/2391405-city-wide-quantum-communication-network-in-china-is-most-advanced-yet/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Thu, 14 Sep 2023 11:00:45 +0100 A network that connects quantum devices and a central server that spans Hefei, China, can allow multiple secure quantum chats at once 2391405-city-wide-quantum-communication-network-in-china-is-most-advanced-yet|2391405 The quantum world: A concise guide to the particles that make reality https://www.newscientist.com/article/2367423-the-quantum-world-a-concise-guide-to-the-particles-that-make-reality/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 05 Apr 2023 17:30:00 +0100 Get to grips with the deepest layer of reality we know of with our inventory of the subatomic realm, from known particles like quarks and the Higgs boson to hypotheticals including the fifth force and strings in 11 dimensions 2367423-the-quantum-world-a-concise-guide-to-the-particles-that-make-reality|2367423 Roger Penrose: "Consciousness must be beyond computable physics" https://www.newscientist.com/article/mg25634130-100-roger-penrose-consciousness-must-be-beyond-computable-physics/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 14 Nov 2022 18:41:00 +0000 The mathematician shares his latest theories on quantum consciousness, the structure of the universe and how to communicate with civilisations from other cosmological aeons mg25634130-100-roger-penrose-consciousness-must-be-beyond-computable-physics|2346668 How soap operas can help us understand special relativity https://www.newscientist.com/article/mg25934561-000-how-soap-operas-can-help-us-understand-special-relativity/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 13 Sep 2023 19:00:00 +0100 Time scales in my favourite soap opera Emmerdale make no sense, but maybe this helps avid fans to normalise the concept of time dilation, says Chanda Prescod-Weinstein mg25934561-000-how-soap-operas-can-help-us-understand-special-relativity|2391511 Physicists can complete our amazing, imperfect picture of reality https://www.newscientist.com/article/mg25934553-800-physicists-can-complete-our-amazing-imperfect-picture-of-reality/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 06 Sep 2023 19:00:00 +0100 On its 50th anniversary, the standard model of particle physics remains an unfinished masterpiece. The quest to finally fill in the blanks should be treated not with frustration but joyful anticipation mg25934553-800-physicists-can-complete-our-amazing-imperfect-picture-of-reality|2390833 Why nature is the ultimate quantum engineer https://www.newscientist.com/article/2390076-why-nature-is-the-ultimate-quantum-engineer/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 08 Sep 2023 08:00:06 +0100 Historically, researchers believed that quantum properties disappear at the scale of biology, but there is increasing evidence that this isn't the full story, says physicist Clarice Aiello 2390076-why-nature-is-the-ultimate-quantum-engineer|2390076 Six ways we could finally find new physics beyond the standard model https://www.newscientist.com/article/mg25934553-700-six-ways-we-could-finally-find-new-physics-beyond-the-standard-model/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 06 Sep 2023 15:00:00 +0100 Leading physicists explain how they think we will discover the new particles or forces that would complete one of science's greatest unfinished masterpieces mg25934553-700-six-ways-we-could-finally-find-new-physics-beyond-the-standard-model|2390618 A brief history of the standard model, our theory of almost everything https://www.newscientist.com/article/mg25934553-600-a-brief-history-of-the-standard-model-our-theory-of-almost-everything/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 06 Sep 2023 15:00:00 +0100 Our amazing picture of the particles and forces that make reality took decades of invention and experiment to piece together mg25934553-600-a-brief-history-of-the-standard-model-our-theory-of-almost-everything|2390617 An alternative way to picture the standard model of particle physics https://www.newscientist.com/article/mg25934553-500-an-alternative-way-to-picture-the-standard-model-of-particle-physics/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 06 Sep 2023 15:00:00 +0100 The classic depiction of the fundamental constituents of matter fails to accurately represent their relationships and what is missing – here’s how to do better mg25934553-500-an-alternative-way-to-picture-the-standard-model-of-particle-physics|2390616 Pumps that beat like the heart could increase energy efficiency https://www.newscientist.com/article/2390342-pumps-that-beat-like-the-heart-could-increase-energy-efficiency/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 06 Sep 2023 17:00:58 +0100 Emulating the pulsating action of the human heart could increase the efficiency of everything from oil pipelines to central heating systems 2390342-pumps-that-beat-like-the-heart-could-increase-energy-efficiency|2390342 Super-heavy oxygen hints at problem with the laws of physics https://www.newscientist.com/article/2389737-super-heavy-oxygen-hints-at-problem-with-the-laws-of-physics/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 30 Aug 2023 17:00:37 +0100 An unprecedentedly heavy version of oxygen is significantly less stable than expected, which suggests a problem our understanding of the nuclear strong force 2389737-super-heavy-oxygen-hints-at-problem-with-the-laws-of-physics|2389737 Physicists create bizarre quantum Alice rings for the first time https://www.newscientist.com/article/2389464-physicists-create-bizarre-quantum-alice-rings-for-the-first-time/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Tue, 29 Aug 2023 11:00:59 +0100 Researchers manipulated thousands of extremely cold atoms to make a ring-like defect that can change the properties of quantum objects that pass through it 2389464-physicists-create-bizarre-quantum-alice-rings-for-the-first-time|2389464 Maxwell's demon imagined by physicists really exists inside our cells https://www.newscientist.com/article/2389336-maxwells-demon-imagined-by-physicists-really-exists-inside-our-cells/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 28 Aug 2023 11:00:48 +0100 Proteins in the cell membranes of most organisms act like the hypothetical “demon” imagined by James Clerk Maxwell in 1867, which was thought to break the laws of physics 2389336-maxwells-demon-imagined-by-physicists-really-exists-inside-our-cells|2389336 Why Isaac Newton's laws still give physicists a lot to think about https://www.newscientist.com/article/2387337-why-isaac-newtons-laws-still-give-physicists-a-lot-to-think-about/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 16 Aug 2023 19:00:00 +0100 The apparent equivalence of gravitational mass to inertial mass is a remarkable and beautiful feature of the cosmos, with a deep implication, says Chanda Prescod-Weinstein 2387337-why-isaac-newtons-laws-still-give-physicists-a-lot-to-think-about|2387337 Springy ice seen for the first time may explain how clouds make rain https://www.newscientist.com/article/2387874-springy-ice-seen-for-the-first-time-may-explain-how-clouds-make-rain/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 16 Aug 2023 17:00:19 +0100 Clouds are made up of many tiny drops of liquid water suspended at temperatures below freezing, before they are penetrated by ice. Understanding this process better could help improve climate models 2387874-springy-ice-seen-for-the-first-time-may-explain-how-clouds-make-rain|2387874 From time crystals to wormholes: When is a quantum simulation real? https://www.newscientist.com/article/mg25934511-300-from-time-crystals-to-wormholes-when-is-a-quantum-simulation-real/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Tue, 08 Aug 2023 17:00:00 +0100 Physicists are using quantum computers to conjure various exotic phenomena and are claiming that their creations are truly real. The work is forcing us to ask challenging questions about the nature of quantum reality mg25934511-300-from-time-crystals-to-wormholes-when-is-a-quantum-simulation-real|2386360 'Demon' particle found in superconductor could explain how they work https://www.newscientist.com/article/2386751-demon-particle-found-in-superconductor-could-explain-how-they-work/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 09 Aug 2023 17:00:23 +0100 A particle called Pines's demon has been seen inside a superconductor, decades after it was first predicted 2386751-demon-particle-found-in-superconductor-could-explain-how-they-work|2386751 Muons are still behaving oddly, which could break particle physics https://www.newscientist.com/article/2387085-muons-are-still-behaving-oddly-which-could-break-particle-physics/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Thu, 10 Aug 2023 21:55:33 +0100 An experiment at Fermilab in the US suggests that muons rotate faster than expected, which would be a problem for the standard model of particle physics 2387085-muons-are-still-behaving-oddly-which-could-break-particle-physics|2387085 LK-99: Mounting evidence suggests material is not a superconductor https://www.newscientist.com/article/2386866-lk-99-mounting-evidence-suggests-material-is-not-a-superconductor/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 09 Aug 2023 22:32:25 +0100 Following a flurry of replication attempts, the claim that LK-99 perfectly conducts electricity at room temperature and pressure is looking unlikely to hold up 2386866-lk-99-mounting-evidence-suggests-material-is-not-a-superconductor|2386866 Why it's so hard to tell if LK-99 is a room-temperature superconductor https://www.newscientist.com/article/2386264-why-its-so-hard-to-tell-if-lk-99-is-a-room-temperature-superconductor/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 04 Aug 2023 22:18:53 +0100 Researchers have been trying to determine if a material called LK-99 really is a superconductor at room temperature and pressure. Here's what is making it so difficult 2386264-why-its-so-hard-to-tell-if-lk-99-is-a-room-temperature-superconductor|2386264 Scientists race to test claimed room-temperature superconductor https://www.newscientist.com/article/2385743-scientists-race-to-test-claimed-room-temperature-superconductor/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 02 Aug 2023 16:36:43 +0100 Researchers are moving quickly to test if a material called LK-99 really is a superconductor at room temperature and pressure. Several labs have already announced results 2385743-scientists-race-to-test-claimed-room-temperature-superconductor|2385743 Gold flakes glow when they are bathed in light and now we know how https://www.newscientist.com/article/2385531-gold-flakes-glow-when-they-are-bathed-in-light-and-now-we-know-how/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 02 Aug 2023 22:09:15 +0100 Shooting powerful lasers at thin gold flakes has revealed how the precious metal generates its own faint glow – and might help us better control chemical reactions used in energy storage 2385531-gold-flakes-glow-when-they-are-bathed-in-light-and-now-we-know-how|2385531 Room-temperature superconductors: Here's everything you need to know https://www.newscientist.com/article/2385270-room-temperature-superconductors-heres-everything-you-need-to-know/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 28 Jul 2023 21:01:22 +0100 Truly convenient materials that can conduct electricity perfectly have long been sought after by researchers, but their history is one of difficult experiments, theoretical puzzles and scientific controversy 2385270-room-temperature-superconductors-heres-everything-you-need-to-know|2385270 Swimming behind someone cuts drag by up to 40 per cent https://www.newscientist.com/article/2385153-swimming-behind-someone-cuts-drag-by-up-to-40-per-cent/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 31 Jul 2023 08:00:09 +0100 Swimmers in open water races can reduce the amount of drag forces they experience by swimming behind or at the hip level of another swimmer 2385153-swimming-behind-someone-cuts-drag-by-up-to-40-per-cent|2385153 Supersonic cracks seem to be breaking the laws of physics https://www.newscientist.com/article/2384843-supersonic-cracks-seem-to-be-breaking-the-laws-of-physics/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Thu, 27 Jul 2023 20:00:02 +0100 An experiment with elastic gels broke the theoretical speed limit for how fast cracks can move through materials, raising new questions about the physics of fractures 2384843-supersonic-cracks-seem-to-be-breaking-the-laws-of-physics|2384843 Rethinking reality: Is the entire universe a single quantum object? https://www.newscientist.com/article/mg25834460-800-rethinking-reality-is-the-entire-universe-a-single-quantum-object/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 05 Jul 2023 14:00:00 +0100 In the face of new evidence, physicists are starting to view the cosmos not as made up of disparate layers, but as a quantum whole linked by entanglement mg25834460-800-rethinking-reality-is-the-entire-universe-a-single-quantum-object|2380801 Newton’s first law appears to break down in the quantum realm https://www.newscientist.com/article/2383098-newtons-first-law-appears-to-break-down-in-the-quantum-realm/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 21 Jul 2023 08:00:47 +0100 Newton’s first law of motion says that particles move in straight lines unless influenced by a force but a new experiment shows that the quantum version of that assumption fails for quantum particles of light 2383098-newtons-first-law-appears-to-break-down-in-the-quantum-realm|2383098 Exotic pentaquark particle found at CERN's Large Hadron Collider https://www.newscientist.com/article/2382995-exotic-pentaquark-particle-found-at-cerns-large-hadron-collider/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 19 Jul 2023 08:00:14 +0100 A new type of particle called the strange pentaquark has been found using the Large Hadron Collider. The particle could help researchers catalogue the states of exotic matter and figure out how fundamental particles stick together 2382995-exotic-pentaquark-particle-found-at-cerns-large-hadron-collider|2382995 Five of the biggest unanswered questions about the proton https://www.newscientist.com/article/mg25934480-100-five-of-the-biggest-unanswered-questions-about-the-proton/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 17 Jul 2023 17:55:00 +0100 There is a lot we don’t know about protons, the particles at the heart of the atom, from what they are made of to whether they live forever. Solving the mysteries surrounding them could transform our understanding of the universe. mg25934480-100-five-of-the-biggest-unanswered-questions-about-the-proton|2382615 Biggest-yet quasicrystal made by shaking metal beads for a week https://www.newscientist.com/article/2382510-biggest-yet-quasicrystal-made-by-shaking-metal-beads-for-a-week/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Sat, 15 Jul 2023 08:00:27 +0100 A researcher won a bet by performing an experiment a colleague said wouldn't work. The result was the largest quasicrystal ever made 2382510-biggest-yet-quasicrystal-made-by-shaking-metal-beads-for-a-week|2382510 Bizarre portal-like ‘ring wormholes’ could let you time travel https://www.newscientist.com/article/2382549-bizarre-portal-like-ring-wormholes-could-let-you-time-travel/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 14 Jul 2023 22:09:26 +0100 A ring wormhole is one that you could simply step through, like a portal through space – but new, more detailed models have shown that they could be a portal through time as well 2382549-bizarre-portal-like-ring-wormholes-could-let-you-time-travel|2382549 Quantum randomness of empty space can be controlled with a laser https://www.newscientist.com/article/2381832-quantum-randomness-of-empty-space-can-be-controlled-with-a-laser/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Thu, 13 Jul 2023 20:00:24 +0100 The minuscule fluctuations of seemingly empty space can be controlled just enough to make the building blocks of a new type of computer 2381832-quantum-randomness-of-empty-space-can-be-controlled-with-a-laser|2381832 Roger Penrose: "Consciousness must be beyond computable physics" https://www.newscientist.com/article/2391657-roger-penrose-consciousness-must-be-beyond-computable-physics/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 14 Nov 2022 18:41:00 +0000 The mathematician shares his latest theories on quantum consciousness, the structure of the universe and how to communicate with civilisations from other cosmological aeons 2391657-roger-penrose-consciousness-must-be-beyond-computable-physics|2391657 Gravitational waves spark hunt for cosmic strings and dark matter https://www.newscientist.com/article/2381652-gravitational-waves-spark-hunt-for-cosmic-strings-and-dark-matter/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 10 Jul 2023 11:03:30 +0100 The discovery of low-level ripples throughout the universe called the gravitational wave background has set physicists looking for exotic explanations 2381652-gravitational-waves-spark-hunt-for-cosmic-strings-and-dark-matter|2381652 Quantum lidar could help driverless vehicles spot bright objects https://www.newscientist.com/article/2380471-quantum-lidar-could-help-driverless-vehicles-spot-bright-objects/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 05 Jul 2023 21:31:43 +0100 Driverless cars can use lasers to sense objects, but reflected light from nearby vehicles or bright sunlight can interfere. A system using entangled photons could help the vehicles avoid obstacles 2380471-quantum-lidar-could-help-driverless-vehicles-spot-bright-objects|2380471 Gravitational waves produce a background hum across the whole universe https://www.newscientist.com/article/2380451-gravitational-waves-produce-a-background-hum-across-the-whole-universe/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Thu, 29 Jun 2023 02:00:35 +0100 After decades of searching, astronomers have found a distinctive pattern of light, from spinning stars called pulsars, that suggests huge gravitational waves are creating gentle ripples in space-time across the universe 2380451-gravitational-waves-produce-a-background-hum-across-the-whole-universe|2380451 The massive problem of trying to fully explain what mass actually is https://www.newscientist.com/article/mg25834440-100-the-massive-problem-of-trying-to-fully-explain-what-mass-actually-is/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 21 Jun 2023 19:00:00 +0100 I can take it as a given that people have an intuition for the meaning of mass, but traditional explanations can feel unsatisfactory. Even the standard model doesn't give us all the answers, says Chanda Prescod-Weinstein mg25834440-100-the-massive-problem-of-trying-to-fully-explain-what-mass-actually-is|2378825 Scandium superconducts at the highest temperature for a pure element https://www.newscientist.com/article/2377878-scandium-superconducts-at-the-highest-temperature-for-a-pure-element/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 19 Jun 2023 10:00:10 +0100 Two independent teams of researchers found that putting the silvery metal scandium under extreme pressure makes it into a superconductor at a temperature higher than any other element on its own 2377878-scandium-superconducts-at-the-highest-temperature-for-a-pure-element|2377878 Is the universe conscious? It seems impossible until you do the maths https://www.newscientist.com/article/mg24632800-900-is-the-universe-conscious-it-seems-impossible-until-you-do-the-maths/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 29 Apr 2020 07:00:00 +0100 The question of how the brain gives rise to subjective experience is the hardest of all. Mathematicians think they can help, but their first attempts have thrown up some eye-popping conclusions mg24632800-900-is-the-universe-conscious-it-seems-impossible-until-you-do-the-maths|2241831 The physicist betting that space-time isn't quantum after all https://www.newscientist.com/article/mg25734301-000-the-physicist-betting-that-space-time-isnt-quantum-after-all/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 13 Mar 2023 17:00:00 +0000 Most experts think we have to tweak general relativity to fit with quantum theory. Physicist Jonathan Oppenheim isn't so sure, which is why he’s made a 5000:1 bet that gravity isn’t a quantum force mg25734301-000-the-physicist-betting-that-space-time-isnt-quantum-after-all|2363984 Do we create space-time? A new perspective on the fabric of reality https://www.newscientist.com/article/mg25333720-800-do-we-create-space-time-a-new-perspective-on-the-fabric-of-reality/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 02 Feb 2022 17:55:00 +0000 For the first time, it is possible to see the quantum world from multiple points of view at once. This hints at something very strange – that reality only takes shape when we interact with each other mg25333720-800-do-we-create-space-time-a-new-perspective-on-the-fabric-of-reality|2306674 Extremely cold drop of helium can be levitated forever https://www.newscientist.com/article/2377034-extremely-cold-drop-of-helium-can-be-levitated-forever/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 09 Jun 2023 08:00:47 +0100 A drop of very cold liquid helium can be made to float for an indefinitely long time using strong magnets and quantum effects 2377034-extremely-cold-drop-of-helium-can-be-levitated-forever|2377034 Sound-based quantum computers could be built using chip-sized device https://www.newscientist.com/article/2377554-sound-based-quantum-computers-could-be-built-using-chip-sized-device/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Thu, 08 Jun 2023 20:00:26 +0100 A chip-sized device can manipulate particles of sound in a way that mimics how particles of light are used in light-based quantum computers, opening the door for building sound-based quantum computers 2377554-sound-based-quantum-computers-could-be-built-using-chip-sized-device|2377554 Stephen Hawking's final theorem turns time and causality inside out https://www.newscientist.com/article/mg25734310-200-stephen-hawkings-final-theorem-turns-time-and-causality-inside-out/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 20 Mar 2023 15:30:00 +0000 In his final years, Stephen Hawking tackled the question of why the universe appears fine-tuned for life. His collaborator Thomas Hertog explains the radical solution they came up with mg25734310-200-stephen-hawkings-final-theorem-turns-time-and-causality-inside-out|2364934 Quantum sensors could detect space debris from its gravitational pull https://www.newscientist.com/article/2375705-quantum-sensors-could-detect-space-debris-from-its-gravitational-pull/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Tue, 30 May 2023 18:00:06 +0100 Devices based on quantum properties of very cold and very small crystals could be mounted on satellites and sense space debris that could collide with them 2375705-quantum-sensors-could-detect-space-debris-from-its-gravitational-pull|2375705 Can recreating black holes in the lab solve the puzzles of space-time? https://www.newscientist.com/article/mg25834400-100-can-recreating-black-holes-in-the-lab-solve-the-puzzles-of-space-time/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 24 May 2023 17:00:00 +0100 Researchers are building models of everything from black holes to the big bang in tanks of liquid. Now some claim these surprisingly simple models are showing us where our theories of space-time are wrong mg25834400-100-can-recreating-black-holes-in-the-lab-solve-the-puzzles-of-space-time|2374719 Sunlight could cool an atom to its coldest possible temperature https://www.newscientist.com/article/2375575-sunlight-could-cool-an-atom-to-its-coldest-possible-temperature/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 26 May 2023 09:00:57 +0100 Sunlight transmitted through an optical fibre could be used to help cool a single charged atom to a temperature only a few millionths of a degree above absolute zero 2375575-sunlight-could-cool-an-atom-to-its-coldest-possible-temperature|2375575 The cosmologist who claims to have evidence for the multiverse https://www.newscientist.com/article/0-the-cosmologist-who-claims-to-have-evidence-for-the-multiverse/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 31 Oct 2022 16:21:00 +0000 Cosmologist Laura Mersini-Houghton says our universe is one of many – and she argues that we have already seen signs of those other universes in the cosmic microwave background, the light left over from the big bang 0-the-cosmologist-who-claims-to-have-evidence-for-the-multiverse|2344810 Nuclear clocks could be the best timepiece in the universe https://www.newscientist.com/article/2375291-nuclear-clocks-could-be-the-best-timepiece-in-the-universe/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 24 May 2023 17:00:11 +0100 Atomic clocks work by using a laser to bounce the electrons in an atom at a given frequency, while nuclear clocks would theoretically do the same for atomic nuclei, and we are a step closer to building one 2375291-nuclear-clocks-could-be-the-best-timepiece-in-the-universe|2375291 Fundamental law of physics demonstrated using quantum objects https://www.newscientist.com/article/2374801-fundamental-law-of-physics-demonstrated-using-quantum-objects/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Tue, 23 May 2023 12:11:58 +0100 The principle of least action has been a key law of physics since the 18th century, but has only now been directly observed in the quantum realm thanks to an experiment with single particles of light 2374801-fundamental-law-of-physics-demonstrated-using-quantum-objects|2374801 AI can work out how quantum computers stack up to one another https://www.newscientist.com/article/2373089-ai-can-work-out-how-quantum-computers-stack-up-to-one-another/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 12 May 2023 18:48:10 +0100 Comparing the properties of qubits in different quantum computers is challenging, but AI can tell them apart even when the state of the qubits is 98 per cent similar 2373089-ai-can-work-out-how-quantum-computers-stack-up-to-one-another|2373089 Why virtual particles don’t exist but do explain reality – for now https://www.newscientist.com/article/mg25834383-000-why-virtual-particles-dont-exist-but-do-explain-reality-for-now/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 10 May 2023 14:00:00 +0100 So-called virtual particles aren't particles at all. Some argue that they are merely mathematical figments, and that we need to find a better way to understand particle interactions mg25834383-000-why-virtual-particles-dont-exist-but-do-explain-reality-for-now|2372494 Why symmetry is so fundamental to our understanding of the universe https://www.newscientist.com/article/mg25834382-600-why-symmetry-is-so-fundamental-to-our-understanding-of-the-universe/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 10 May 2023 14:00:00 +0100 The symmetries of matter are deeper and stranger than they first appear, and they have driven many of the biggest breakthroughs in particle physics. But have we exhausted their usefulness? mg25834382-600-why-symmetry-is-so-fundamental-to-our-understanding-of-the-universe|2372490 To create a wormhole that doesn't collapse, you need exotic matter https://www.newscientist.com/article/mg25834382-800-to-create-a-wormhole-that-doesnt-collapse-you-need-exotic-matter/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 10 May 2023 14:00:00 +0100 Making a wormhole that a human could theoretically travel through would require an upside-down universe and negative energy mg25834382-800-to-create-a-wormhole-that-doesnt-collapse-you-need-exotic-matter|2372492 Emergence: The mysterious concept that holds the key to consciousness https://www.newscientist.com/article/mg25834382-300-emergence-the-mysterious-concept-that-holds-the-key-to-consciousness/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 10 May 2023 14:00:00 +0100 A better understanding of emergent phenomena like the wetness of water, where the properties of a system can't be explained by those of its constituent parts, could unravel some big mysteries mg25834382-300-emergence-the-mysterious-concept-that-holds-the-key-to-consciousness|2372487 Superconducting qubits have passed a key quantum test https://www.newscientist.com/article/2372828-superconducting-qubits-have-passed-a-key-quantum-test/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 10 May 2023 17:00:49 +0100 A Bell test can confirm whether two systems are truly entangled – it has now been used to confirm entanglement between qubits in a superconducting circuits 2372828-superconducting-qubits-have-passed-a-key-quantum-test|2372828 How we could discover quantum gravity without rebuilding space-time https://www.newscientist.com/article/mg25834382-100-how-we-could-discover-quantum-gravity-without-rebuilding-space-time/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 10 May 2023 14:00:00 +0100 In the search for a theory that unites general relativity and quantum physics, many have tried to rethink space-time. But what if space-time emerges naturally, like a hologram? mg25834382-100-how-we-could-discover-quantum-gravity-without-rebuilding-space-time|2372485 Unevenly packed coffee to blame for weak espresso, say mathematicians https://www.newscientist.com/article/2372428-unevenly-packed-coffee-to-blame-for-weak-espresso-say-mathematicians/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Tue, 09 May 2023 17:00:43 +0100 A mathematical model shows that even small inconsistencies in how coffee is packed into an espresso machine can lead to weaker brews and watery flavour 2372428-unevenly-packed-coffee-to-blame-for-weak-espresso-say-mathematicians|2372428 Weird particle that remembers its past discovered by quantum computer https://www.newscientist.com/article/2372659-weird-particle-that-remembers-its-past-discovered-by-quantum-computer/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Tue, 09 May 2023 15:00:21 +0100 Particles with unusual properties called anyons have long been sought after as a potential building block for advanced quantum computers, and now researchers have found one – using a quantum computer 2372659-weird-particle-that-remembers-its-past-discovered-by-quantum-computer|2372659 Do we live in a hologram? Why physics is still mesmerised by this idea https://www.newscientist.com/article/mg25834372-200-do-we-live-in-a-hologram-why-physics-is-still-mesmerised-by-this-idea/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 03 May 2023 14:00:00 +0100 The holographic universe theory still grips physicists 25 years since it was first published. Here’s what it is all about mg25834372-200-do-we-live-in-a-hologram-why-physics-is-still-mesmerised-by-this-idea|2371469 Why darkness between stars reveals more about the universe than light https://www.newscientist.com/article/2371382-why-darkness-between-stars-reveals-more-about-the-universe-than-light/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 05 May 2023 08:00:09 +0100 When looking up at the night sky, light from stars draws attention. But the darkness between the light can reveal even more about the universe, says Nobel prize-winning astrophysicist Adam Riess 2371382-why-darkness-between-stars-reveals-more-about-the-universe-than-light|2371382 Quantum computers could simulate a black hole in the next decade https://www.newscientist.com/article/2370695-quantum-computers-could-simulate-a-black-hole-in-the-next-decade/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Sat, 29 Apr 2023 13:00:52 +0100 Understanding the interactions between quantum physics and gravity within a black hole is one of the thorniest problems in physics, but quantum computers could soon offer an answer 2370695-quantum-computers-could-simulate-a-black-hole-in-the-next-decade|2370695 Exotic cosmic objects in string theory may look like leaky black holes https://www.newscientist.com/article/2370625-exotic-cosmic-objects-in-string-theory-may-look-like-leaky-black-holes/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 28 Apr 2023 14:00:22 +0100 Physicists have simulated strange objects from string theory to determine what they look like – if they exist, they could be mistaken for a black hole when imaged from very far away 2370625-exotic-cosmic-objects-in-string-theory-may-look-like-leaky-black-holes|2370625 We finally know why bubbles rise in a straight line in champagne https://www.newscientist.com/article/2371225-we-finally-know-why-bubbles-rise-in-a-straight-line-in-champagne/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 28 Apr 2023 12:00:46 +0100 In carbonated drinks, the wake from rising bubbles can disturb other bubbles. But when the molecules that give fizzy drinks their flavour coat the bubbles, they can form stable columns as they float 2371225-we-finally-know-why-bubbles-rise-in-a-straight-line-in-champagne|2371225 How can we prove the world is really quantum mechanical? https://www.newscientist.com/article/mg25834360-700-how-can-we-prove-the-world-is-really-quantum-mechanical/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 26 Apr 2023 19:00:00 +0100 A 2021 paper has got physicists discussing whether our inability to use classical physics to describe reality on a quantum scale is a human failing - and what proof is necessary to show that the world really is quantum mechanical, says Chanda Prescod-Weinstein mg25834360-700-how-can-we-prove-the-world-is-really-quantum-mechanical|2370439 Why we must inspire people with the magic of condensed matter physics https://www.newscientist.com/article/mg25834362-900-why-we-must-inspire-people-with-the-magic-of-condensed-matter-physics/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 26 Apr 2023 19:00:00 +0100 Condensed matter is a huge field of physics that gets less attention than it deserves. We must show people its subtle magic if we are to draw in a diverse set of researchers for the next generation, says Felix Flicker mg25834362-900-why-we-must-inspire-people-with-the-magic-of-condensed-matter-physics|2370651 2D crystal of ultracold charged atoms is biggest ever created https://www.newscientist.com/article/2369971-2d-crystal-of-ultracold-charged-atoms-is-biggest-ever-created/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 24 Apr 2023 18:00:32 +0100 More than 100 charged calcium atoms chilled to extremely low temperatures have been arranged into a two-dimensional crystal, which could be used for studying quantum materials or building quantum computations 2369971-2d-crystal-of-ultracold-charged-atoms-is-biggest-ever-created|2369971 Strange quantum effect observed in unusually large object https://www.newscientist.com/article/2369081-strange-quantum-effect-observed-in-unusually-large-object/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 21 Apr 2023 08:30:07 +0100 An object made of hundreds of atoms exhibits a quantum property normally only associated with very small objects 2369081-strange-quantum-effect-observed-in-unusually-large-object|2369081 Quantum batteries: Strange technology that could provide instant power https://www.newscientist.com/article/mg25534030-800-quantum-batteries-strange-technology-that-could-provide-instant-power/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 07 Sep 2022 16:00:00 +0100 By leveraging a bizarre property of quantum mechanics called entanglement, quantum batteries could theoretically recharge in a flash. Now, progress is being made towards making them a reality. mg25534030-800-quantum-batteries-strange-technology-that-could-provide-instant-power|2336579 Physics confirms the best way to make a playground swing go higher https://www.newscientist.com/article/2368304-physics-confirms-the-best-way-to-make-a-playground-swing-go-higher/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 14 Apr 2023 12:00:01 +0100 If you’ve been on a playground swing, you may intuitively know when to lean back to get it going higher – physicists have confirmed that perfectly timed leaning produces the most height 2368304-physics-confirms-the-best-way-to-make-a-playground-swing-go-higher|2368304 Graphene shows record-breaking magnetic properties at room temperature https://www.newscientist.com/article/2368771-graphene-shows-record-breaking-magnetic-properties-at-room-temperature/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 12 Apr 2023 17:00:01 +0100 Graphene can change its electrical resistance in response to a magnetic field quicker than other materials, such as graphite or bismuth, which could one day change how we store data 2368771-graphene-shows-record-breaking-magnetic-properties-at-room-temperature|2368771 A macroscopic amount of matter has been put in a quantum superposition https://www.newscientist.com/article/2368306-a-macroscopic-amount-of-matter-has-been-put-in-a-quantum-superposition/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 12 Apr 2023 12:00:14 +0100 Researchers have put a sapphire crystal containing quadrillions of atoms into a superposition of quantum states, bringing quantum effects into the macroscopic world 2368306-a-macroscopic-amount-of-matter-has-been-put-in-a-quantum-superposition|2368306 Come explore the quantum realm – it isn’t as confusing as it seems https://www.newscientist.com/article/mg25834333-500-come-explore-the-quantum-realm-it-isnt-as-confusing-as-it-seems/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 05 Apr 2023 19:00:00 +0100 Quantum theory, and the world of subatomic particles and forces it describes, has a daunting reputation for strangeness. And yet, with the right guidance, anyone can enjoy its many wonders mg25834333-500-come-explore-the-quantum-realm-it-isnt-as-confusing-as-it-seems|2367698 Are there planets that are better for life than Earth? https://www.newscientist.com/article/2367350-are-there-planets-that-are-better-for-life-than-earth/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Fri, 07 Apr 2023 08:00:56 +0100 Philosophers have long debated whether Earth is the best of all worlds. More powerful telescopes are finally giving us a better chance of answering this question, writes astronomer Chris Impey 2367350-are-there-planets-that-are-better-for-life-than-earth|2367350 Light interacts with its past self in twist on double-slit experiment https://www.newscientist.com/article/2367388-light-interacts-with-its-past-self-in-twist-on-double-slit-experiment/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 03 Apr 2023 17:00:42 +0100 The double-slit experiment consists of light passing through two slits separated by a small space – now researchers have performed it with small gaps in time instead 2367388-light-interacts-with-its-past-self-in-twist-on-double-slit-experiment|2367388 Neil Turok on the case for a parallel universe going backwards in time https://www.newscientist.com/article/mg25734230-100-neil-turok-on-the-case-for-a-parallel-universe-going-backwards-in-time/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 25 Jan 2023 16:00:00 +0000 To explain the cosmos without invoking cosmic inflation, physicist Neil Turok has proposed the existence of a mirror-image universe going backwards in time from the big bang. He tells us why the idea is so compelling mg25734230-100-neil-turok-on-the-case-for-a-parallel-universe-going-backwards-in-time|2355713 Protons seem to be a different size depending on how you look at them https://www.newscientist.com/article/2366932-protons-seem-to-be-a-different-size-depending-on-how-you-look-at-them/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 29 Mar 2023 17:00:36 +0100 An experiment that probed particles called gluons, which contain most of the mass of a proton, has revealed that a proton’s radius alters depending on whether you look at the particle's charge or mass 2366932-protons-seem-to-be-a-different-size-depending-on-how-you-look-at-them|2366932 Have we been measuring the expansion of the universe wrong all along? https://www.newscientist.com/article/mg25433861-400-have-we-been-measuring-the-expansion-of-the-universe-wrong-all-along/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 11 May 2022 19:00:00 +0100 For decades, measurements of the universe's expansion have suggested a discrepancy known as the Hubble tension, which threatens to transform cosmology. But a new method suggests the tension may not exist after all mg25433861-400-have-we-been-measuring-the-expansion-of-the-universe-wrong-all-along|2319369 Carlo Rovelli on the bizarre world of relational quantum mechanics https://www.newscientist.com/article/mg25634080-300-carlo-rovelli-on-the-bizarre-world-of-relational-quantum-mechanics/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 10 Oct 2022 16:00:00 +0100 Physicist Carlo Rovelli explains the strange principles of relational quantum mechanics - which says objects don't exist in their own right - and how it could unlock major progress in fundamental physics mg25634080-300-carlo-rovelli-on-the-bizarre-world-of-relational-quantum-mechanics|2341443 Scientists can calculate the shape colliding bubbles will form https://www.newscientist.com/article/2365323-scientists-can-calculate-the-shape-colliding-bubbles-will-form/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Mon, 27 Mar 2023 13:00:03 +0100 An experiment with soap bubbles shows how they assume different shapes when two of them touch, and at which size they will merge into one 2365323-scientists-can-calculate-the-shape-colliding-bubbles-will-form|2365323 Stephen Hawking’s parting shot is a fresh challenge to cosmologists https://www.newscientist.com/article/mg25734313-200-stephen-hawkings-parting-shot-is-a-fresh-challenge-to-cosmologists/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 22 Mar 2023 18:00:00 +0000 The physicist’s final theorem, about why the universe seems fine-tuned for life, contains some provocative predictions. Will they be as fruitful as his insights into black holes? mg25734313-200-stephen-hawkings-parting-shot-is-a-fresh-challenge-to-cosmologists|2365663 CERN measurement casts doubt on shocking W boson result https://www.newscientist.com/article/2366274-cern-measurement-casts-doubt-on-shocking-w-boson-result/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Sat, 25 Mar 2023 07:00:34 +0000 A 2022 measurement of the mass of the W boson threatened to upend particle physics as we know it, but new results from CERN indicate the standard model was right all along 2366274-cern-measurement-casts-doubt-on-shocking-w-boson-result|2366274 Ultra-fast random number generator uses quantum fluctuations https://www.newscientist.com/article/2365616-ultra-fast-random-number-generator-uses-quantum-fluctuations/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 22 Mar 2023 19:00:34 +0000 Variations driven by pairs of particles and antiparticles that form and then annihilate can be used to generate random numbers up to 200 times faster than available commercial devices can 2365616-ultra-fast-random-number-generator-uses-quantum-fluctuations|2365616 Ultra-thin superconducting ink could be used in quantum computers https://www.newscientist.com/article/2365566-ultra-thin-superconducting-ink-could-be-used-in-quantum-computers/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 22 Mar 2023 18:00:05 +0000 A superconducting ink made through a simple process called chemical exfoliation could be used to print the cold circuits inside quantum computers and MRI machines 2365566-ultra-thin-superconducting-ink-could-be-used-in-quantum-computers|2365566 Supersized atoms could help quantum computers link to optical fibres https://www.newscientist.com/article/2365576-supersized-atoms-could-help-quantum-computers-link-to-optical-fibres/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=physics Wed, 22 Mar 2023 16:00:12 +0000 A device that uses supersized rubidium atoms could make it possible to transmit outputs from quantum computers through standard optical fibres. That in turn could make it easier to build networks of quantum computers 2365576-supersized-atoms-could-help-quantum-computers-link-to-optical-fibres|2365576