So what is the big deal with Einstein?

I’m a humanities guy, but I’ve never lost my childhood love of math and science. I’m looking forward to the Large Hadron Collider being fired up next year the way normal male Americans look forward to the NBA playoffs. I like to be an informed fan, and since Einstein is the Michael Jordan of scientists, …

How transistors think

The parts of the computer that do the “thinking” are mostly made of little electronic switches called transistors. If you connect two wires to a transistor, you can use the voltage on one wire to control the voltage on the other. What’s especially handy for engineering purposes is that the presence or absence of a …

Tuning the quantum guitar

Music is really just orderly vibrations: in the air, in instrument bodies, in speaker cones, in tiny hairs in your inner ear, in electromagnetic fields in wires, in patterns of neurons firing in your brain. If you understand the math behind these vibrations, it can help you understand how music works. Surprisingly, it can also …