Bamboo "Batteries"

Favorite
electricity,Hall of Fame,neat,not a kludge
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Instructables user hanlin_y did the math and realized that alkaline batteries are one of the most expensive forms of power that consumers can use. So he/she/it came up with a solution to power your parts even if they don't come with an AC adapter. With a wall plug, wires, and bamboo strips you can run your electronics off the grid; saving money and the environment at the same time.

Process(or) Engineering

Favorite
computer repair,g rated,Hall of Fame,macro,neat,not a kludge,there I fixed it,wtf
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I have absolutely no idea what process engineering is. But from now on whenever hear that word I'm going to think of this. And so should you.

~NSHA

One Printer You'll Never Get Frustrated With

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Meet the Little Printer. This adorable little guy from design firm BERG is a smartphone-controlled micro printer that can print anything from designs to receipts to to-do lists. It's scheduled for a 2012 release; no word yet on its price or what to do about ink or paper replacements.

All it Needs is Some Cat Hair Brush Attachment

Favorite
cardboard,cleaning,neat,vacuum
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From the submitter:

The vacuum cleaner was missing those floor cleaning accessories, so I made my own with isolant tape and a box.

Water-Powered Jet Pack

Favorite
awesome,jet pack,neat,not a kludge
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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]

Nope.

Favorite
neat,not a kludge,stairs
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A cool visual concept. But in every other sense... nope.

~NSHA