Cooling atoms to ultracold temperatures of less than one millikelvin and controlling their internal energy states has led to the development of numerous technologies, including optical atomic clocks 1 ...

Red light stop: The experiment uses multiple frequencies of light to cool the CaOH atoms to a fraction of a degree above absolute zero. (Courtesy: John Doyle) Physicists in the US have created ...

Bombarding a material with an ion beam provides valuable information about its surface composition. Ion guns that fire polyatomic ions can reveal more detailed information and cause less damage to the ...

Game updates can see developers touching up parts of games players may not immediately think of, such as cosmetics, and Infinity Ward did just this in its latest update to Call of Duty: Modern Warfare ...