One of the best parts of building a coil gun is seeing just how fast you can get that slug to move through the air. [Daniel] built this speed meter to be able to see exactly that. It is comprised ...

This project combines some of the most exciting aspects of DIY experiments. Lego, high voltage, and a powerful magnetic field. The idea is simple yet intriguing, using a copper coil, capacitors, and a ...

In May 2014, the man released a video of himself making a coil gun, which fires bullets using magnetic force. The decision to arrest him came after an examination by the National Research ...