- In a new experiment, an ultraviolet laser quelled the thermal jitters of antihydrogen atoms, chilling the antiatoms to just above absolute zero. This technique for slowing down antimatter could help scientists build the first antimatter molecules https://www.sciencenews.org/article/laser-cooled-antimatter-foundations-physics-einstein-gravity 96 comments science
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- Colliding photons made matter. But are the photons ‘real’? | Science News https://www.sciencenews.org/article/colliding-photons-matter-particle-physics 85 comments
- Antimatter falls like matter, upholding Einstein’s theory of gravity https://www.sciencenews.org/article/antimatter-falls-down-matter-einsteins-gravity 0 comments
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