Hackaday7mon
helium-neon
Helium-neon lasers may be little more than glorified ... through the partial mirror to form a coherent, monochromatic laser beam. By contrast, an open-cavity laser has a gas-discharge tube sealed ...
Boing Boing on MSN3d
Zap! US Navy reveals startling photo of its new laser beam warship weapon firing at a cruise missile
The US Navy successfully tested its new laser weapon mounted on a warship. The dramatic photo above depicts the High Energy ...
Hackaday7mon
Lasers Al Fresco: Fun With Open-Cavity Lasers
Helium-neon lasers may be little more than glorified ... through the partial mirror to form a coherent, monochromatic laser beam. By contrast, an open-cavity laser has a gas-discharge tube sealed ...
Business Insider6y
A startup is developing a 100-gigawatt laser to propel a probe to another star system. That may be powerful enough to 'ignite an entire city.'
An initiative called Breakthrough Starshot wants to explore another star system using ultra-powerful laser beams and wafer-thin spaceships. It's a goal that sounds so fantastic, you'd be forgiven ...
US Warship Fires Laser Weapon in Stunning Photo
The USS Preble is the only U.S. destroyer armed with the HELIOS, which can fire laser beams to destroy fast attack craft and drones.