Many current wireless communication, imaging and sensing technologies rely on components that convert oscillating electric ...

Inductors control electric current by using magnetic fields to resist sudden changes. This video explains how a simple coil ...

Fleeting electron-hole pairs are giving scientists a new window into optimizing light-emitting devices (LEDs). Using quantum ...

The standard unit of electric current, the ampere, is one of the seven base units in the International System of Units. But measuring a current exactly in amperes is not an easy task. In fact, in 1990 ...

Scientists have built the first quantum battery that can charge, store energy, and release electricity in one device.

A wireless brain implant inhibits tumor growth in rats, overcoming many design flaws of current devices used to treat glioblastoma. TTFs interfere with charged molecules involved in cell division.