How to study Astronomy with a balloon

We know PhD students like to do things on the cheap... well Ryan Ridden-Harper is doing high altitude astronomy - like the Hubble space telescope - but with no expensive satellite, just a weather balloon. He hopes it will give nice cheap insights into dark energy! https://youtu.be/EUCSk5-7Rbw

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Quantum cabbage and blue wine

https://youtu.be/c-r8LKosap4 A surprise find of blue wine in the washing up opened up a world of chemistry in the kitchen. Turns out red wine and purple cabbage show amazing colours as you change their acidity. They are acid-base indicators, due to chemicals called anthocyanins.  

How twisting a belt explains the Universe

Quantum physics is all about the simplest things in the universe. Matter - electrons and quarks (which make up neutrons and protons), and interactions - photons, forces etc. The difference between the two is a simple rotation. It's secret quantum mechanics knowledge, says head of ANU Dept of Quantum Physics, Professor Craig Savage. Here he … Continue reading How twisting a belt explains the Universe