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With a massive, charged nucleus orbited by tiny electrons, atoms are such simple objects. Miraculously, they make up everything we know.

If you have an old TV set with the "rabbit ear" antennae, and you set it to channel 03, that snowy static can reveal the Big Bang itself.

We take for granted that time is real. But what if it's only an illusion, and a relative illusion at that? Does time even exist?

In an instant, the bomb obliterated everything. The tower it sat on and the copper wires strung around it: vaporized. The desert sand below: melted. In the aftermath of the first test of an atomic bomb, in July 1945, all this debris fused together, leaving the ground of the New Mexico test site coated with a glassy substance now called trinitite. High temperatures and pressures helped forge an unusual structure within one piece of trinitite, in a grain of the material just 10 micrometers across — a bit longer than a red blood cell. Proceedings of the National Academy of Sciences. Normal cr...