Daylight popping out of an optical fibre
Amanda Younes
Daylight may very well be used to chill a charged atom to its lowest temperature allowed by the legal guidelines of physics.
Within the Nineties, a number of individuals received Nobel prizes for figuring out how you can make atoms extraordinarily chilly with exactly managed laser mild. Now, Amanda Younes and Wesley Campbell on the College of California, Los Angeles, have discovered that some elements of the cooling course of may very well be accomplished with mild straight from the solar.
The researchers calculated how a single positively charged barium atom, or ion, …