Jun 16, 2015 09:28 AM EDT
Coldest Molecules on Earth Created by MIT Scientists are Colder Than Interestellar Space
Scientists have managed to create the coldest stable molecules in the world. They've cooled molecules in a gas of sodium potassium (NaK) to a temperature of 500 nanokelvins, which is just a hair above absolute zero and over a million times colder than interstellar space.