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How to Build a Salt-Water Powered LED Light!

You probably well know of the focus that the world has been giving to alternative energy.  And I am sure schools are now pushing more ways to power our electronics than ever.

Which brings us to this awesome DIY that shows you how to build a salt-water powered LED light. You can also substitute lime juice for the salt-water.

Also see:

Beer Powered Batteries!

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Netbook Hack – How to Add a Keyboard LED Light!

For those of you who have bought laptops/netbooks that don’t come with keyboard illumination, there’s a better way than simply attaching a reading LED light to your laptop/netbook (although that probably is the easiest way).  You can actually hack your laptop/netbook to add an LED light near your webcam, all so you can control it with your keyboard for turning on/off.  Of course, this is seriously a lot of work for adding a

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Bike Hack – How to Add a Stepper Motor Powered LED Light!

stepper-motor-diy

I’ve seen a ton of bike lights that use the power of pedaling to provide bikers with nice array of lights as they drive down the road.  Well, here’s another awesome bike hack that shows you how to add a stepper motor-powered LED light.  I really like this one as I do actually have a bunch of unused stepper motors laying around. (and I am sure you do too if you hack around a bit…)

Steppers come with different resolutions. Virtually all steppers are either 1.8° or 7.5° per st

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Disco Mirror Ball with Light

Anyone who wants to have a party and setup a in-home nightclub, you might be interested to know that this Disco Mirro Ball with Light might be just what you need without spending a lot of money.

The novelty lamp features an adjustable LED light that can project lights to the mirror ball from any direction and reflects on the rotating mirror ball as the colors change.

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Garden DIY – How to Make LED Grow Lights for your Plants!

Hopefully, you won’t be using this LED grow light to grow your illegal plants (or maybe legal depending on where you are and what licenses you have), but here’s a great way to keep your plants healthy full of artificial LED light by making LED grow lights!

Specialized grow lights that closely mimic the sun’s rays are a better solution, but you can get the same effect with special LEDs that are also brighter, cheaper and last far longer. These bulbs actually work best as a supplement to sunlight during the day; however, they’ll also

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Hidden Radio is a Radio without Buttons!

Hidden Radio is a Radio without Buttons!

Here’s a cool Hidden Radio that works by pushing and twisting instead of all those annoying buttons.

Designed by Australian John Van Den Nieuwenhuizen, this concept model of Hidden Radio is rather unique. It is completely button-less, requiring you to twist, lift or push it instead to manipulate the volume. The radio also comes with a LED light that will glow brightly/dimmer depending on the current signal strength

via t

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