"Air Laser" Created In The Lab
Monday, January 12, 2015 - 00:40
in Physics & Chemistry
Image: FastLizard4 / flickr By: Charles Q. Choi, Inside Science(Inside Science) - A laser could be created with air in a practical way, a new advance that could one day be used to help spot explosives or pollutants from afar, researchers say.Laser light is generated by pumping energy into atoms or other objects. A chain reaction can occur in which energized atoms all stimulate each other to give off laser light. read more