Articles, Blog

Liquid Sand Hot Tub- Fluidized air bed

Liquid Sand Hot Tub- Fluidized air bed

I’m sitting in a hot tub filled to the brim with solid sand. (laughter) This is one of the coolest things ever! If you take a tub of sand like this and then add air in JUST the right way, it basically becomes a liquefied soup. (music) In science, this is known as a fluidized bed. It’s used in industrial…

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Articles, Blog

Avoid electric shock getting out of a car!

Avoid electric shock getting out of a car!

[MUSIC PLAYING] [MUSIC PLAYING] [ZAP] I hate that! Why do you get shocked sometimes when you get out of your car? Or when you touch a doorknob? Or when you take off a sweater and hug someone? And is there a way to not get shocked? To prevent this from happening, you have to figure out what’s happening. So this…

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