(via SciShow) It's impossible to have something colder than absolute zero...right? That's why it's called "absolute zero". Well, it turns out you can get certain substances to negative absolute ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Under a tangled mess of pipes, tubes, gauges, ...

The nadir of cold called Absolute Zero exists not as a reality of nature but as a textbook definition, as a goal which haunts the minds of low-temperature researchers and which they do not expect to ...

How would you go about determining absolute zero? Intuitively, it seems like you’d need some complicated physics setup with lasers and maybe some liquid helium. But as it turns out, all you need is ...