Light can tell you a lot about what matter is doing. Visible light shows a surface. X-rays reveal hidden structure. Infrared ...

Right now, molecules in the air are moving around you in chaotic and unpredictable ways. To make sense of such systems, physicists use a law known as the Boltzmann distribution, which, rather than ...

This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of ...

To some, METR’s “time horizon plot” indicates that AI utopia—or apocalypse—is close at hand. The truth is more complicated.

Bitcoin’s supply cap is enforced by software and social consensus, not by immutable law. Bugs have tested that system before.

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