
1) Cooling technology
Found on
https://www.crosswordclues.com/clue/laser-cooling

Laser cooling refers to a number of techniques in which atomic and molecular samples are cooled down to near absolute zero through the interaction with one or more laser fields. The first example of laser cooling, and also still the most common method (so much so that it is still often referred to simply as `laser cooling`) is Doppler cooling. O.....
Found on
http://en.wikipedia.org/wiki/Laser_cooling
No exact match found.