Meet The Overly Powerful Black Hole RX J1532

https://youtu.be/_eZFWOdOXu0 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...

International Astronomy Day 2017 & Hubble at 27!

It's #International Astronomy Day and Hubble has turned 27 this month! Let's celebrate with some of its most breathtaking pictures! https://youtu.be/0mI2HAYvJ-w

Snuffing Out Candles With Carbon Dioxide

https://youtu.be/U6aIYgCwWQ8 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...
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Boiling water with ice

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. https://www.youtube.com/watch?v=ycQtzuzk9UY  
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A60s – A Galactic Heartbeat

https://youtu.be/kG5MHyHWLIg

Cecilia Payne-Gaposchkin: the woman who discovered what the Universe is made of.

In this vlog, I talk about Prof. Payne-Gaposchkin, one the most important astronomers of the 20th Century. Thanks to her we know that stars are not made by the same elements as the Earth, and that Hydrogen is the most abundant element in the Universe.

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