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Was curious how the Super Soaker worked, and came across this great summary from How Stuff Works:

http://entertainment.howstuffworks.com/water-blaster3.htm http://entertainment.howstuffworks.com/water-blaster4.htm

As a kid, I knew what the back tank did just based on observation. I am so glad I learned that I knew about 50% of how it actually worked. TIL this was a great simple design.

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