kurzgesagt

How Black Holes Can Kill Us From Light Years Away

The Earth isn’t particularly close to any black holes — the closest candidate, A0620-00, is around 2800 light years away — so good on us for picking a nice cosmic neighbourhood to live in. But besides the whole “nothing escapes from them” thing and the hugely destructive supernova preceding their…

Video Explainer: Why We Haven’t Found Any Aliens In The Universe

Previously, Kurzgesagt attempted to explain where all the aliens are by touching on The Fermi Paradox. This time around, the video explainer comes up with some possible reasons for why we haven’t found any aliens yet. We might be communicating with them wrong. They might be extinct. Maybe our technology…

3 Reasons Why Nuclear Energy Is Actually Awesome

Nuclear energy is great! Nuclear energy is terrible! There are two sides to the argument and Kurz Gesagt is breaking down both perspectives with point/counterpoint video explainers. The three reasons why nuclear energy is awesome and why we need more? It saves lives. It helps the environment. And that using…