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Five Crazy Science Stunts You Won't See at School

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"The King of Random" Grant Thompson is back with his fondness for explosive and otherwise dangerous science experiments. He calls this video "Five Crazy Science Stunts You Won't See at School." You'll also see a "pumpkin pie" that won't make it to your holiday table. -Via Science Dump

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The sodium+water reaction is pretty common in high school chemistry classes, and I've been around some larger examples when they actually have a pond near by. The LN2 rocket and various dry ice bombs I've seen at quite a few demonstrations too, when probably those are ones likely to be frowned upon by administration.

The pumpkin one can be done with alcohol instead. I wouldn't do the acetylene version myself, as there have been a few too many incidences with acetylene in a confined space suddenly exploding a lot more than expected. Some people I knew had setups (not pumpkins though) that worked fine several times, then got knocked on their butt and were lucky no shrapnel was involved.

The microwave oven transformer mod is a fun one that comes up some outreach demonstrations, and is essentially just doing what a primitive arc welding unit will do. In fact, you can build a primitive arc welder with a few more cheep parts.
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