When individual atoms interact with each other, they often exhibit unusual behavior due to their quantum behavior. These effects can, for instance, be used to construct so-called quantum computers, ...

Thanks to decades of Hollywood influence, when we think of lasers we typically think of laser beams. But this conception is actually quite misguided, as lasers need very specific circumstances in ...

Add Yahoo as a preferred source to see more of our stories on Google. The USS Portland test-fires a laser weapon. The photo captured infrared light to make the beam visible. Staff Sgt. Donald ...

A beam of light can only be seen when it hits matter particles and is scattered or reflected by them. In a vacuum, however, it is invisible. Physicists at the University of Bonn, Germany, have now ...

A massive green and blue laser beam was spotted in the San Francisco sky earlier this week, and despite plenty of speculation online, no one seemed to know much about its purpose or origin – until now ...

A mysterious laser beam is shooting into the night sky in San Francisco this week. The beam is product of Barrett Lyon -- the CEO of Mega Laser and CTO of Tarsal, a data security company. Lyon is ...