In day-to-day life, light seems intangible. We walk through it and create and extinguish it with the flip of a switch. But, like matter, light actually carries a little punch—it has momentum. Light ...

With dual lasers, researchers have accelerated a high-quality beam of electrons to 10 billion electronvolts in just 30 centimeters. The experiment gives scientists a 'frame-by-frame' look at how a ...

Add Yahoo as a preferred source to see more of our stories on Google. The international space station shoots a laser toward a satellite, which is relaying it back down to earth. Early next month, ...

According to the US National Institute of Standards and Technology (NIST), Maiman’s apparatus produced more coherent light ...

It's not at every university that laser pulses powerful enough to burn paper and skin are sent blazing down a hallway. But that's what happened in UMD's Energy Research Facility, an unremarkable ...

In 1960, Theodore H. Maiman's experiment at Hughes Research Laboratories produced the first laser beam using a ruby crystal ...