Many of you reading this will have, at least once in your lives, thought of some clever invention that doesn’t yet exist but which you were sure would change the lives of countless people. It seemed ...

In this month's issue of Physics World, James Dacey explores the ways in which physicists are bridging the "valley of death" to take their innovations from the lab into the commercial market. Dacey ...

A flame goes out, and something in the room shifts with it. Not because matter has vanished, but because a structure has ended. The candle's wax remains, the heat disperses, and the air carries what ...