Originally published at: https://bigideas.network/superconductors/
Levitation, ultra-powerful servers, and gyroscopes so sensitive that they can directly measure the curvature of spacetime around the Earth. Each one is an application of a truly amazing type of material called a superconductor.
To see how they work, we have to quickly explain electricity.
Electricity is the movement of electrons through a material. Electrons moving through copper cables power your home, your car pulls them from a battery and moves them through your engine to start your car, and your computer controls their flow through its circuit boards to perform calculations…