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This is actually a really cool experiment.  Turns out one of the biggest hazards in dealing with alkali metal demonstrations is the fact they behave erratically.  This is a way of getting an controlled explosion out of the metal essentially at will.  As such this experiment will become a core part of alkali metal demonstrations in school classrooms around the world for centuries to come..... and it all started here... and thanks to your support :-)

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The Thors Hammer experiment! -Potassium vs Ice

The Thors Hammer experiment! Getting alkali metals to explode reproducibly is hard.... and dangerous. This is a relatively safe way of getting an explosion out of potassium and ice. You get a smallish piece of potassium (~0.1-0.3g) and mount it on a needled (or wire) taped to a hammer.

Comments

Anonymous

Hi Phil, this also looks exatcly like an Coulomb explosion: "Molten Salt into Water". You can find it on 9gag a8M0v2O.

John Horn

Awesome test. Solid versus solid explosion.

John Buchan

My chemistry teacher lost a finger doing the calcium experiment and then lost another showing the same thing two years later. now that is inspirational teaching!

Anonymous

This is why I support you. Phil

Anonymous

This is amazing! :)

Anonymous

Loving the science! As an adult now, it's great to feel that kind of excitement at the wonders of the universe that I once felt as a young kid. Thanks for bringing that back :)

Anonymous

Do make videos more frequently for the patreon feed!