![The strange physics of absolute zero and what it takes to get there](https://images.newscientist.com/wp-content/uploads/2022/12/13120930/SEI_137398643.jpg?width=300)
The strange physics of absolute zero and what it takes to get there
14 December 2022
Weird things happen down at -273°C, the coldest possible temperature. Now we're building quantum fridges, which could make things even weirder
14 December 2022
Weird things happen down at -273°C, the coldest possible temperature. Now we're building quantum fridges, which could make things even weirder
21 November 2022
Explore the equations that revolutionised physics, leading to the theory of relativity and the prediction of black holes.
21 November 2022
What exactly is gravity? Is it a force? Is it the manifestation of the curvature of spacetime?
12 October 2022
A quantum engine built using two entangled quantum bits uses measurements as a source of energy. It could speed up the way some quantum computers process information
24 October 2022
A quantum stopwatch made of lasers and helium atoms can measure the time that has passed with complete accuracy, without counting seconds like other clocks
19 October 2022
We have been trying to harness the reaction that powers the stars for decades, and now private firms are promising commercial fusion within a decade. Is there any reason to believe them this time?
13 October 2022
Inspired by the art of Cornelia Parker, physicist Carlo Rovelli explains the idea of relational quantum mechanics - and how it could resolve some key problems concerning the nature of reality.
13 October 2022
By trapping a single electron in an isolated chamber cooled to near absolute zero, physicists were able to measure the particle's magnetic moment - a key quantum property - at a precision of 1.3 parts in 10 trillion
17 November 2022
New prefixes in the International System of Units have been confirmed, ushering in ronto and quecto for tiny numbers and ronna and quetta for very large numbers, like the amount of data on internet servers
30 November 2022
Researchers have used Google's Sycamore quantum computer to simulate a simplified wormhole for the first time, and sent a piece of quantum information through it