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39 comments displayed.
#9
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epicethan (03/07/2015) [-] 
How about elephant toothpaste
warning not really toothpaste
warning will not clean teeth will make you sick and possibly kill you if consumed
warning not really toothpaste
warning will not clean teeth will make you sick and possibly kill you if consumed
#31
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aleksandurr (03/08/2015) [-]
thats liquid helium, not water. Look it up, it can do some crazy **** , that bridge is barely scratching the surface.
#29
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bemmo (03/08/2015) [-] I still have no idea why there's a delay between the lightbulbs at each end starting and stopping movement.
#35 to #29
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mangse [OP](03/08/2015) [-] Maybe this will help
www.thisiscolossal.com/2012/08/edisons-cradle-a-kinetic-toy-reinvented-with-light/
www.thisiscolossal.com/2012/08/edisons-cradle-a-kinetic-toy-reinvented-with-light/
#30 to #29
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fnoogernooger (03/08/2015) [-] It's because they're forcing it to have the delay for artistic purpose. It's not dependent on Newtonian Physics. My suspect is that there is a weak electromagnet within either of the two black bars separating the end two light bulbs which repels a permanent magnet in the white part of the light bulbs when applied to a current.
#37
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anon (03/08/2015) [-]
That second one:
They're not really burning sodium, potassium, strontium, etc. It's a chloride compound. They're salts. Copper chloride emits a bright blue-green flame when burned. You think you can just burn pure copper metal? What are copper pans made of? Copper. And you put fire under them to cook stuff. Strontium is radioactive. Sodium is extremely reactive in the presence of water, and can explode in large quantities. Don't mean to be a bitch, just using my limited knowledge of freshman year chemistry.
They're not really burning sodium, potassium, strontium, etc. It's a chloride compound. They're salts. Copper chloride emits a bright blue-green flame when burned. You think you can just burn pure copper metal? What are copper pans made of? Copper. And you put fire under them to cook stuff. Strontium is radioactive. Sodium is extremely reactive in the presence of water, and can explode in large quantities. Don't mean to be a bitch, just using my limited knowledge of freshman year chemistry.
#16
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graboidzero (03/07/2015) [-] **graboidzero used "*roll picture*"**
**graboidzero rolled image** SJW's face when all of the objects used in this science comp look waaaay too phallic and that scientist are keeping women out of science by promoting rape culture.
**graboidzero rolled image** SJW's face when all of the objects used in this science comp look waaaay too phallic and that scientist are keeping women out of science by promoting rape culture.
