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Have a green and hackable holiday

Before Christmas this year, there seems to be plenty of neat holiday themed stuff with good parts about to go unsold. Anything with an overt holiday theme will be marked down the day after Christmas, so it is possible to think ahead and provision yourself for some maker fun for the months and years ahead. […]

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Make throwies to learn Ohm’s Law

Make throwies to learn Ohm’s Law

If you really want to understand electric circuit theory, eventually you will need to come to terms with Ohm’s Law. So how can you get the concept across that I=VR? Will your students be able to figure out that V=I/R or that R=V/I, or that all three of these equations are pretty much the same? […]

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