Physics

A century ago, the Stern-Gerlach experiment established the truth of quantum mechanics. Now it could build a bridge between the two pillars of modern physics.

A conversation with “rational mystic,” physicist Marcelo Gleiser.

Something remarkable happens when this small sun zooms past its larger companion.

Time to rewrite our understanding of structural engineering.

Physicists have yet to pinpoint the hypothetical matter that keeps galaxies from flying apart. Now they have a new focus.

A better way to secure digital payments.

The story behind the scare that an atomic bomb would ignite the atmosphere into a fireball.

Ultracold gases in the lab could help scientists better understand the universe.

Invisible cloaks. Ghost imaging. Scientists are manipulating light in ways that were once only science fiction.

By measuring inflated helium nuclei, physicists have challenged our best understanding of the force that binds protons and neutrons.

For cyclists, it’s a drag when you don’t shave your legs.

Physicist Alan Lightman on evolution and atheism, creativity and spirituality.