Modern smartphones are packed with a wide range of sensors, and their magnetometer can successfully identify certain kinds of ...

A firefighter-built smoke detector uses silent strobe lights to help firefighters locate and rescue pets during house fires.

A team of physicists has discovered a surprisingly simple way to build nuclear clocks using tiny amounts of rare thorium. By ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Before there was a metal card at virtually every price point, there was the invitation-only American ...