A Spray Bottle That Works in Any Direction

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It's the only spray bottle that works on a roller coaster. Why you would want a spray bottle on a roller coaster, I don't know. I'm not one to judge, though.

TIFI WIN: Say Goodbye to Impossible Tents

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Okay, let's try to assemble a normal tent. The long pole goes into the socket with the other short pole, the other other short pole slides into the flux capacitor, then cast expecto patronum on the tent stakes, then divide by zero, and voila! You're done.

Now here's a tent that makes camping a little bit easier. The tent has a geodesic dome frame that inflates when you pump it full of air. Just inflate, and you're done!

DIY Assassin's Creed Blade

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DIY,g rated,neat,not a kludge,there I fixed it,video games,YT video
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Deviant Artist Midnight Angel put together an arm blade stylized after the ones used in the Assassin's Creed video game series. Using a drawer opening mechanism, a spring for a screen door, and a throwing knife, the weapon works surprisingly smoothly. The full instructions are on Angel's page, and you can see it in action below.

[youtube=http://youtu.be/zKakpY2oZqI]

Infinite Energy 3.0

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What Do You Get When You Cross a Lightsaber and a Bug Zapper?

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A lightzapper, of course! Or a bugsaber? Either way, this lightbugzappersaber is a fantastic way to get back at those pesky critters flying around your room. Never mind that you may look like a drunkard doing a Jedi impression to distant observers, but whatever, the Force isn't strong with them anyway.

AK Chainsaw

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Custom rifle manufacturer DoubleStar built this modified AK-47. Its most obvious feature is the chainsaw fixed to the barrel, powered by a lithium battery so you don't have to be attached to an outlet when the zombie apocalypse certainly most definitely happens. If Ash had this, Army of Darkness would be about half as long.

~Not-"Not-So-Handy Andy" Jack

Modern Day Rube Goldberg

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Joseph Hersher is a Rube Goldberg specialist from Brooklyn. His newest invention gives no heed to broken glass, laptop integrity or the comfort of Hamsters. One of the best complex devices I've seen.