To reach Earth’s closest star system, Alpha Centauri, scientists are building a laser-powered spacecraft. To pull off interstellar travel, a spacecraft must be very light; therefore, it’s essential to ...

Green means go, at least to the geese at Blawnox Community Park. Mayor Tony Gross said that for whatever reason, the ...

It is also illegal in the United States to point the lights at aircraft. The laser beams, Detroit police told the Free Press ...

Scientists made a laser device smaller than a penny that can change colors incredibly fast to help measure distances very ...

From Israel’s Iron Beam to the Chinese-developed Silent Hunter, directed-energy weapons are part of anti-drone strategies.

In short, the combination of tiny nozzles and powerful lasers may make it possible to build tabletop accelerators that do what once required massive buildings—offering new tools for science, medicine, ...