"Hearst Magazines and AOL may earn commission or revenue on some items through these links." An at-home laser hair removal device actually can help reduce the number of hairs that grow on you by ...

Scientists have taken lasers beyond light and into the realm of sound, creating a breakthrough “phonon laser” that manipulates tiny vibrations at the quantum level. By dramatically reducing noise in ...

When you’re driving your car, you’re probably regularly looking at the speedometer to make sure you comply with the local speed limits. The method by which it works is simple enough: ...

What years of testing thermal cameras taught me about the problems hiding in plain sight ...

Breakthrough microscope captures the fastest ever view of electrons in motion, opening a new window into the quantum world.

Light can carry enormous amounts of information at extreme speeds, making photonic technologies promising for the development of faster communications, more powerful computing systems and more ...

(koto_feja/Getty Images) A breakthrough in chronometry decades in the making could redefine the limits of how we keep time. Using atoms of thorium-229, physicists have built functional clocks based ...

Ultrafast lasers are the heavy artillery of modern optics. Their intense, rapid pulses power eye surgeries, precision ...

Norway’s Rogfast is an exceptional engineering feat, opening a route for drivers deep below the North Sea. We went down to see it.

A clock based on radioactive thorium atoms realises a long-held ambition, demonstrating a technology that could eventually beat the accuracy of today’s best atomic clocks ...

Starlink mobile service moved from rumor to investor disclosure on June 26 when SpaceX President Gwynne Shotwell told IPO ...