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Making liquid nitrogen from scratch (an absurd amount)

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For as long as I can remember, I've always been fascinated by liquid nitrogen and I've always wanted to be able to make it myself, but I never did because it just seemed too difficult. Recently though, for some unknown reason, I felt that I was ready to try doing it, despite having basically no experience with stuff like this, and I decided to just go for it.

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Nile talks about lab safety: https://youtu.be/ftACSEJ6DZA

Chapters:
0:00 - Liquid air & my LN2 mission
02:25 - Researching & my plan
04:33 - Getting all of the pieces
14:23 - Attaching the cryocooler
20:06 - Does the cryocooler work?
28:30 - Testing the Dewar
29:49 - Putting everything together
35:51 - The moment of truth
41:37 - Extracting the LN2
46:47 - My LN2 dream is now real!

Music in credits (Walker by SORRYSINES): https://soundcloud.com/sorrysines/walker

Making a bouncy ball from scratch

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For this one, I'm going to try to synthesize a bouncy ball. Basically I'm making something called Thiokol rubber, and hopefully as a ball, it'll be bouncy.

#shorts

Potassium metal is like weird butter

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I have this little tube, that been been sitting on my desk for over a month. What's inside is potassium metal, that looks gross and dirty because it's so reactive, and it's soft like weird butter.

#shorts

The clear ice myth

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A while ago I made some perfectly clear ice using a cooler, and I thought it was pretty cool. There were a lot of comments though, that said I could have saved a lot of time and effort, by just boiling the water, so I've decided to test that out.

#shorts

Liquefying nails is crazy

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This is just a bunch of regular nails and I really want to try and liquefy them. Normally this would be pretty difficult, but I bought this little induction heater on eBay, which should be able to do it.

#shorts

Mixing sodium and potassium is crazy

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For a while now, I've been wanting to make an explosive liquid metal, and all I need is some sodium and some potassium. And after mixing them together, I eventually had a perfect liquid metal ball. Finally, I pulled some of it out with a syringe, because there's just one thing I have to try.

#shorts
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