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Transistors Changed Everything. Here’s How They Work

How a tiny little electronic switch sparked the computer revolution.

How the joule thief circuit “steals” energy from seemingly depleted power cells.

Science / Physics and Math Dot Physics

Zulfi Alam thinks his team doesn’t need to “prove” they engineered a new state of matter in their bid to reinvent computing. Science would disagree.

Never mind the “heat death of the universe.” Entropy is just a bridge between two levels of reality.

Planning a Fourth of July getaway? Use less gas—and cut your emissions—by easing up on the pedal.

The country was hit hard by a pair of quakes that happened in quick succession and were likely driven by stress being transferred from one part of t…

As World Cup action kicks off, we look at the physics of the beautiful game.

It's long been accepted that the smoother the surface, the lower the aerodynamic drag. That turns out not always to be the case.

The multifarious methods we use to gather experimental data ultimately boil down to counting or comparing.

Here’s how you can hack together a radio transmitter and receiver out of stuff you have at home—and explore the weirdness of wireless.

On Star Wars Day, we put to rest a question that has bedeviled sci-fi nerds for years.