When lasers were invented in the 1960s, they opened new avenues for scientific discovery and everyday applications, from ...

Making lasers smaller and more capable of rapidly alternating between frequencies, while remaining within a narrow band, is an essential part of bringing down the cost of technologies such as LiDAR ...

A new, miniature laser source developed by applied physicists in the Harvard John A. Paulson School of Engineering and ...

Light usually travels in straight lines, but what if it could twist, spiral, and ...

There has been huge progress on laser pushed sails. Laser pushed sails appear to be a path to sending probes up to 20% of the speed of light when we can make 1 gram sails that are one to two meters on ...

Scientists show that it is possible to make a femtosecond laser that fits in the palm of one's hand using a glass substrate. Is it possible to make a femtosecond laser entirely out of glass? That's ...

A tech tinkerer has shared the full plans and resources necessary to build a compact, low-power desktop laser engraver.

FOLSOM, Calif. – In a suburb of Sacramento, on the edge of a row of beige houses, a giant transmission tower shoots up into the blue summer sky. Jon Marmillo is looking up at a box sitting about 20 ...