MIT Unveils Tiny Printable Solar Cells

MIT researchers unveiled a tiny carbon ink based solar cells that are manufactured with a possess similar to an ink jet printer. While the small cells are only 1-2 percent efficient, the potential of mass manufacturing could make up for there lack of inefficiency.

[MIT]

Popularity: 2% [?]

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Home Built Cotton Candy Machine – Video

Have a craving for some sweet cotton candy, but the fair is not in town. All you need to make it at home is two juice caps, small hobby electric motor and a lighter. Put it together and spin yourself a spool of delicious candied cotton goodness.

Popularity: 6% [?]

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Hexacopter Demonstration Video

If you thought those 4 propeller drone copters are cool, check out what you can do with 8 motors. The Hexacopter can lift 2.2 pounds and continue to fly even if a propeller or two gets damaged. For details on building your own check out Mikrokopter.

Popularity: 9% [?]

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DIY Solar Water Heater, Missionary Style

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Something we take for granted in the US is a constant flow of hot water into our homes. Missionary Jake sets up a inventive thermosyphon solar hot water heater in remote Brazil. This kind of system comes in handy, especially if you have 5000 watt electric shower heater, 5000 watts! That’s like five of those ridiculously inefficient space heater all running at the same time.

Popularity: 13% [?]

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Video: Computer Virus Halloween Prank

In light of Halloween today, here is a bit of mischief you can do to your close friends and family members. You can download the flash executable here.

Popularity: 7% [?]

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Wooden Gear Clock Project

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Alan Parekh has a lot to be proud of, with his wooden gear powered clock. The PIC based project utilizes an stepper motor to power a series of precision machined gears which rotate to keep the clock in tune.

Popularity: 7% [?]

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Melting An Ipod With A Solar Death Ray – Video

Kip Kay is at it again. Taking an old projection TV’s fernell lenses front panel and mounting it out in the sun, he is able to melt a huge plethora of items ending with an ipod.

Popularity: 2% [?]

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MIT’s Indoor Autonomous Four Wing Helicopter – Video

Cool project by the MIT Robust Robotics Group – Micro Air Vehicle made to autonomously seek out a target without GPS in a tight environment. The MAV uses a real time laser to detect walls in 3D which allow it to detect a window and fly trough it.

[MIT Video]

Popularity: 3% [?]

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Video: Key Fob Activated Dorm Door Opener

This cleaver collage student rigged up his dorm door to unlock and lock with a simple automotive style Key Fob.

[Hack-a-Day]

Popularity: 5% [?]

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Weed Wacker Powered Bicycle Of Death

Weed Wacker + Bicycle = Assume leg chewing machine

How to build a weedeater motorized bicycle by Davids Farm.

Popularity: 6% [?]

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