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!

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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 is proving it:

Filmed at Physics in the Pub ACT, 2016, August 17 at Smiths Alternative Bookshop

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Smashing things… for the good of humanity

It’s amazing how liquid nitrogen affects rubber. Turns it from bendy and stretchy into a brittle solid that you can smash into a thousand pieces – a trick that lots of science shows do.

BUT, not so many people know that there is a heartwarming story of community benefit from this seemingly mindless destruction.

 

 

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