If You Can't Buy It, Build It

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If You Can't Buy It, Build It
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Wei Xinlong, a senior at Northeast Normal University in Changchun, built this for his girlfriend Sun Shasha. Methinks that if this is real and works well, the world is soon to see a whole new wave of tablet PCs.

DIY Assassin's Creed Blade

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DIY Assassin's Creed Blade
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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]

Water-Powered Jet Pack

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Water-Powered Jet Pack
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Zapata Racing just released the Flyboard, a water-powered jet pack available to the public. The Flyboard gets it propulsion from a jet ski idling nearby; its hose forces water to shoot out of the user's feet. Not as cool as a the real deal the public is waiting on, but I guess this is a happy medium for now.

http://www.zapata-racing.com/uk/flyboard_uk.php

[youtube=http://www.youtube.com/watch?v=h-7RlL3YtiQ&w=500]