From Youtube, "What started as a simple desire for a better arc lighter got carried away and I ended up making the scariest device I've ever built. In this video I tested a plasma lighter and attempted... continue reading

posted by w1ndex 4 years 7 months 1 week ago • 60 views • 26:02

In this video, Tim demonstrates a variety of Lenz's Law demonstrations. At its simplest, you can just drop a magnet down a metal tube, maybe made of copper or aluminium, and be surprised at how slowly... continue reading

posted by Mordhaus 6 years 6 months 3 weeks ago • 968 views • 6:01

Copper has a unique effect with magnets. It is not magnetic itself but it will generate an electric field from a moving magnet and this field directly and immediately impacts the magnet.

I built a natural draft furnace to test ideas about how hot a furnace could get without the use of bellows. Natural draft is the flow of air through a furnace due to rising hot air. The hot gasses in the... continue reading

posted by Mordhaus 7 years 4 months 2 weeks ago • 454 views • 5:46

YouTube: Spinning magnets near copper sheets create levitation!

posted by PlayhousePals 8 years 1 month 1 week ago • 290 views • 6:19

YouTube description: What happens when you pour liquid nitrogen on a flame? What about when you blow on the flame with a cup in the way? Try these five unusual ways to extinguish a candle. Pour out... continue reading

posted by Aard Vark (oritteropo) 9 years 3 weeks ago • 272 views • 5:17

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posted by chicchorea 1 decade 1 year 3 months 2 weeks ago • 297 views • 5:33

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posted by chicchorea 1 decade 1 year 3 months 2 weeks ago • 279 views • 7:05

This is a really nice demonstration, and explanation of, what happens when you drop a magnet down a conducting non-magnetic tube. YouTube Description: Huge thanks to the Royal Institution, Professor... continue reading

posted by Aard Vark (oritteropo) 1 decade 2 years 2 months 1 week ago • 228 views • 3:50

Pete shows us how to convert some white phosphorus into phosphorus pentoxide, using just a little bit of sand and a hot copper rod. More chemistry at http://www.periodicvideos.com/

posted by GenjiKilpatrick 1 decade 4 years 10 months 1 week ago • 1,979 views