Levitating Superconductor on a Möbius strip
Andy takes a closer look at one of his favourite demos from the 2012 Christmas Lectures, bringing together a levitating superconductor and a bewildering Möbius strip made from over 2,000 magnets. more
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Chemist Andrea Sella combines dimethylhydrazine with dinotrogen tetroxide to show how hypergolic mixtures fire rockets into space.
There are a few ways to use chemistry to power a rocket, but all involved an oxider and a fuel. And with no oxygen in space, what’s the best solution? Professor Andrea Sella from University College London discusses the solid state boosters of the space shuttle, the cryogenic liquid approach used in the 1970s, and demonstrates to dramatic effect the power that hypergolic reactions can provide.
Hypergolic mixtures spontaneously ignite, remove the need for a spark in space, and give a huge relative reaction. Andrea combines nitrogen dioxide and dimethylhydrazine to demonstrate how just a tiny amount of these substances can pack a powerful punch.
Levitating Superconductor on a Möbius strip
Andy takes a closer look at one of his favourite demos from the 2012 Christmas Lectures, bringing together a levitating superconductor and a bewildering Möbius strip made from over 2,000 magnets. more
Slow Motion Contact Explosive - Nitrogen Triiodide
Nitrogen triiodide is a highly unstable substance that detonates when disturbed. So we disturbed it. more
Halloween, The Royal Institution thought they’d investigate the interface between pumpkins and thermite. The results were explosive. more