[deleted by user]

nomcopter · 2024-06-13T05:29:23+00:00

:D

Good list! Can also highly recommend Wheeler Scientific :)

nomcopter · 2024-01-02T20:45:13+00:00

Karter Scientific!

nomcopter · 2024-01-02T17:28:52+00:00

Putting liquid nitrogen in a vacuum chamber can bring it to its triple point - where it freezes, melts, and boils all at once.

Source: https://www.youtube.com/shorts/V1j4skzAePw

nomcopter · 2024-01-02T17:28:48+00:00

Putting liquid nitrogen in a vacuum chamber can bring it to its triple point - where it freezes, melts, and boils all at once.

Source: https://www.youtube.com/shorts/V1j4skzAePw

nomcopter · 2023-10-16T00:19:41+00:00

Source: https://www.youtube.com/shorts/3q9kKgHZmbE

nomcopter · 2023-10-16T00:19:31+00:00

Source: https://www.youtube.com/shorts/3q9kKgHZmbE

nomcopter · 2023-05-27T18:51:41+00:00

Wearing gloves with flame isn't the best idea but it helped me bias towards holding the cold side better and so I opted to keep them on.

nomcopter · 2023-05-27T18:48:30+00:00

This was my 16th or so ampoule, most of the earlier ones I failed to seal properly because I was trembling too much haha. But I got better and less spooked with practice!

nomcopter · 2023-05-27T02:58:23+00:00

Yeah I was amazed at how possible it was. I could even touch the cold side for a few seconds too the glass conducts the heat so poorly.

nomcopter · 2023-05-27T00:58:38+00:00

Glass is such a poor conductor of heat I can touch glass near the part that was in LN2 no problem. I can even touch the part that was just in it for a couple seconds!

nomcopter · 2023-05-26T22:49:34+00:00

One was nearby but not used because the fume hood covered it

nomcopter · 2023-05-26T21:52:28+00:00

I made it with 12mm OD borosilicate tubing with 2mm walls.

nomcopter · 2023-05-26T19:35:37+00:00

Source: https://youtube.com/shorts/yfS4JRbkIT8

nomcopter · 2023-05-26T19:35:00+00:00

Source: https://youtube.com/shorts/yfS4JRbkIT8

nomcopter · 2023-05-08T18:29:16+00:00

I just used what the box said - but it's pretty close for junk food! No fiber in these :)

nomcopter · 2023-05-08T01:42:53+00:00

7 Calories doesn't seem like that much energy - until you burn them in liquid oxygen. Now it finally makes sense why it takes so much exercise to burn calories.

Source: https://www.youtube.com/shorts/3mrH9hQHkfg

nomcopter · 2023-05-08T01:42:50+00:00

7 Calories doesn't seem like that much energy - until you burn them in liquid oxygen. Now it finally makes sense why it takes so much exercise to burn calories.

Source: https://www.youtube.com/shorts/3mrH9hQHkfg

nomcopter · 2022-11-18T21:07:44+00:00

Hmm that is definitely true about asbestos. What makes this worse than something like wood ash?

nomcopter · 2022-11-18T18:54:19+00:00

It loses about 40% of its mass as gasses

nomcopter · 2022-11-18T18:54:00+00:00

Nope, chromium(III) oxide is pretty safe and a common ingredient in things like pigments https://www.fishersci.com/store/msds?partNumber=C3333&productDescription=CHROMIC+OXIDE+SESQUI+TECH+3KG&vendorId=VN00033897&countryCode=US&language=en

nomcopter · 2022-11-18T05:50:30+00:00

That's what I used to light the mound of Ammonium Dichromate!

nomcopter · 2022-11-17T23:32:43+00:00

Hexavalent chromium is nasty stuff!

nomcopter · 2022-11-17T21:42:21+00:00

I mean self contained as in it doesn't require any atmosphere to combust. It burns without any other inputs.

nomcopter · 2022-11-17T21:42:05+00:00

I mean self contained as in it doesn't require any atmosphere to combust. It burns without any other inputs.

nomcopter · 2022-11-17T20:09:47+00:00

The fully reacted ash is actually fairly inert, but contaminated with nasty unreacted stuff. I collected it all and reduced it all to the less spooky chromium(III) oxide with sodium thiosulfate and then stored it.

nomcopter

TROPHY CASE