I've been asked a few times about powerful supermassive black holes, and one of my old articles has suddenly become popular again, getting a thousand views in June, so I think we are in...
A cool thing to do if you have leftover dry ice is to snuff out candles using just carbon dioxide.
You put dry ice in a jar and let it sublimate. The carbon dioxide will...
Thermodynamics is a funny area of physics, where different physical quantities are profoundly connected. In this video we look at how reducing the pressure allows you to reduce the boiling point of water.