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Cesium Thermometer! (Patreon)

Published:
2014-03-29 19:41:29
Imported:
2026-06

Content

Just ordered some glass blowing kit with the hope of being able to make a cesium thermometer for top Patrons. Only stumbling blocks are: 1) I dont know if its possible yet! 2) the cesium might stick to the glass 3) the surface tension of liquid cesium might be too low. 4) Getting cesium into a capillary under vacuum might be technically challenging! 4) these will certainly be on the 'no fly list'. Maybe they can be transported by surface mail? 5) People might not want a cesium thermometer! However, ignoring all the obvious 'project killers', nothing fails like never trying! If it works... it would be soooo cool! :-)

Comments

Anonymous

maybe a coat of "neverwet" can help with the cesium sticking? (though it is marketed as hydrophobic maybe it will also work on cesium?)

Alex J.
>>37600

Hmm, I'm not sure about that. It is made to keep powdered reagents that clump up when in contact with air humidity in powder form. I doubt it would work on a liquid metal. :/

Anonymous

Now that is cool! I certainly would want one. I think ground couriers do indeed allow more potentially dangerous stuff to be shipped. If you packaged it well enough that if anything breached it you would have much worse going on then a little cesium, it would be non-reckless. As for not sticking to the glass, you might find out what the normal cesium-packaging ampules are made from. When you show that it melts in your hand (through the glass) it seems to be clear. BTW, how about some Prince Rupert's Drops while you're at it?

Thunderf00t
>>37710

Be happy to make you one! However, typically it takes 3 attempts to get this sort of thing right. The first time you realize your first best guess way wayyyy off. The second time you compensate for the mistakes you made the first time, but its still not quite right. 3rd time you actually know what you're doing! ;-)