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[geek] Killer project: Build your own vortex cannon

post #1 of 11
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How would you like to have your very own vortex cannon like Tom Cruise in Minority Report? It’s not quite as complicated as you would imagine, albeit not quite as awesome either. Two students from the University of Nottingham filmed the video above as part of University radio show The Science Show. The beginning starts off a bit like a British adaptation of a Lonely Island video, but then the cool stuff happens and plastic cups start flying.

The basic steps to creating a vortex cannon are: cut a circular hole in an otherwise sealed cardboard box, fill said box with smoke followed by simultaneously hitting both sides of the box. Due to the opening being circular as well as narrower than the box itself and it being the smokes only form of escape, so when the box is hit the smoke inside is forced out through the opening… creating a vortex!

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The Rock
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post #2 of 11
I lost it when they said: "put a hole in the box"
post #3 of 11
That's pretty cool.
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post #4 of 11
THIS LOOKS FUN
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post #5 of 11
What would happen if the circle was smaller? more power? or no.
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post #6 of 11
Students actually doing something for a change. biggrin.gif
post #7 of 11
Wow WHAT?!
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post #8 of 11
lol cool science... stupid simple test = buckets of fun
post #9 of 11
At my college, the college of physics has one of these mounted on the stairs, so kids can annoying student on the lower deck. It's made of metal and vinyl, much more powerful than that and much cooler looking that a cardboard box, it looks like a real cannon. :/
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post #10 of 11
Like this?


IT BLEW BRICKS OVER?
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