articles tagged: absolute zero
how to cool things to absolute zero using only a laser
# science

how to cool things to absolute zero using only a laser

We’re used to lasers being either death beams, or harmless little points of light. But we also use lasers to cool matter to absolute zero and probe the limits of physics.

why absolute zero isn’t theoretically absolute
# science

why absolute zero isn’t theoretically absolute

Amazingly, you can cool something to below absolute zero. And what happens when you do is really, really weird...