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Make a glass of LED ice cubes for conversation or decoration.

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Voltage, Current, and Resistance - three of the most important electrical properties, are elegantly intertwined by way of a the simple equation - V = IR, better known as Ohm's Law. Get acquainted with this fundamental tool of electronics engineering.

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Pringles-can lens extender produces dazzling ultra close-ups for peanuts. Get the PDF for this project here: blog.makezine.com More great projects at: www.makezine.com

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Last weekend was the 5th annual Urban Craft Uprising Holiday craft faire in Seattle, Washington. I was there reporting for CRAFT, and there was so much handmade goodness to experience! blog.craftzine.com

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Shine an alien or any other design on a wall with this $5 LED projector. Get the PDF for this project here: blog.makezine.com More great projects at www.makezine.com

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Build a fun-for-all-ages mini car launcher for next to nothing. Get the PDF for this project here: blog.makezine.com More great projects at www.makezine.com.

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The beating of the heart is often recorded via sound or simply with touch - but there's also another interesting and somewhat lesser known option - light. An infrared emitter/detector pair can be used along with a programmable microcontroller, to effectively visualize the effects of the human body's hardest-working muscle. blog.makezine.com

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Work on your bicycle the easy way with this inexpensive and simple to build bike stand. Get the PDF for this project here: blog.makezine.com More great projects at www.makezine.com

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Simple robot from your parts bin that avoids obstacles. Get the PDF for this project here: blog.makezine.com More great projects at www.makezine.com

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Make Vol. 20 features a season's worth of how-to projects that kids and their parents can build together, including a model rocket powered by hydrogen and oxygen extracted from water, a sleek wooden model sailboat, a laser light show built in a metal lunchbox, and a microscope based on the very first one ever built by Antony van Leeuwenhoek in the 17th century. If you're looking for a prize-winning science fair project, or just want to have fun, this special For Kids of All Ages issue of ...

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