Making an electromagnet is as simple as wrapping some wire around a nail and taping the wire to both ends of a battery. When you’re done, you can pick up some paper clips – it demonstrates the concept ...

We've previously covered how to make a "speaker" from earbuds and paper cups but if you don't have a pair of donor earbuds handy or just want to learn how to build basic speakers from scratch you can ...

The Hyperloop is getting closer and closer to becoming reality, but if it is still not coming fast enough for you Dianna Cowern (aka Physics Girl) has a decent placeholder for you. It can't carry ...

Resistive magnets are built in-house at the magnet lab using so-called Florida Bitter technology pioneered by researchers there. Circular plates of copper sheet metal are stamped with cooling holes; ...

If you are a novice electronic constructor, you will become familiar with common electronic components. Resistors, capacitors, transistors, diodes, LEDs, integrated circuits. These are the fodder for ...