Poor Man's Liquid Nitrogens

How To : Make Poor Man's Liquid Nitrogen

Can't get liquid nitrogen? Then make some yourself. Check out this instructional science video to learn how to make inexpensive liquid nitrogen. This tutorial video is great for science teachers, physics demonstrators, and science enthusiasts. DANGEROUS DEMO! Note that this d ...more

News : Make poor man's liquid nitrogen

Bill Beaty's at it again! Our favorite crackpot physicist presents a backyard solution to that emergency need for cryogenic fluid. Sometimes you can't wait to freeze daisies. Recipe: dry ice, soda bottles, and rubbing alcohol. The alcohol does not freeze to solid state. Inste ...more

How To : Make Dry Ice at Home Using a CO2 Fire Extinguisher

Here's how to make dry-ice at home, or wherever you feel like it! All you need is a pillow case, and a CO2 fire extinguisher. Video: . WARNING: Dry Ice is extremely cold! (-78C/-109F) and can cause instant frost-bite to exposed skin. This project should not be attempted withou ...more

News : Steampunk Bottle (a Red and Malevolent Glow)

Thought I would cross-post a piece I did a while ago. So here is a piece I made a while back. I found this brass and glass bottle at the thrift store. At the time of purchase it had a broken music box on the bottom. I actually was able to fix the music box and it plays "How D ...more

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