A time crystal is a form of matter that shows continuous, repeating patterns over time, much like how atoms in a normal crystal repeat in space. Examples once existed in only complex, quantum matter, ...

Jason Chin is affiliated with the Association for Interdisciplinary Metaresearch and Open Science (AIMOS), a charity that promotes the study and improvement of research methods. AIMOS is a co-founder ...

If a cup of water spills on the floor, the water can’t unspill—that is, it’s inconceivable that each water molecule would exactly reverse its course to slip back into the cup. To do so would be to ...