Cool Physical Phenomena Objects?

AI Thread Summary
Rare Earth magnets can be used creatively for various physical phenomena experiments at home. One suggested activity involves balancing a coat hanger with a grape and a counterweight, using a magnet to push the grape in a circle. Dropping a magnet down a copper pipe demonstrates magnetic damping effects. Additionally, a Tesla coil can be constructed to light fluorescent bulbs, and holding a bulb near older cathode ray tube TVs can cause it to glow. Mixing cornstarch with water creates a fun, non-Newtonian fluid to explore.
Codester09
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Ya know, rare Earth magnets and crap like that. Anybody know of some other cool things to have sitting around the house?
 
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hang a coat hanger from something, like a torsion setup and tie a grape on one end of the hanger and a counter weight on the other so that it is balanced , then use a strong rare Earth magnet and push the grape around in a circle , hold it close to the grape and it will take a little bit and the magnet will push the grape. drop a magnet down a copper pipe . tesla coil, you could make one to light up fluorescent light bulbs,
Or take a long fluorescent bulb and hold it near the back of TV , the ones with cathode ray tubes in them and it will make it glow and flash light , or hold it next to the coil on a car or the distributor .
 
Cornstarch mixed with water at the right proportions is fun to play with.
 
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I am attempting to use a Raman TruScan with a 785 nm laser to read a material for identification purposes. The material causes too much fluorescence and doesn’t not produce a good signal. However another lab is able to produce a good signal consistently using the same Raman model and sample material. What would be the reason for the different results between instruments?
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