The Kardashev Scale, first proposed by Russian astronomer Nikolai Kardashev, measures the technological advancement of civilizations by the amount of energy they can harness and use. In its original ...

So it's time to buy some new wheels. What hardness should you get? What do the durometer numbers mean? What's a durometer anyway? Don't worry, we got you. All skateboard wheels are made from urethane, ...

Ian G. McCarthy receives funding from UKRI's Science and Technology Facilities Council (STFC). He works for Liverpool John Moores University. Given how unfathomably large the universe is, it is ...