Tela demonstrated a radio-controlled boat to transform naval warfare. Ukraine's new Katran, a drone boat armed with torpedoes ...

Everyone interested in electronics should build at least one Tesla coil. But be careful. Sure, the high voltage can be dangerous, but the urge to build lots of coils is even worse ...

All it took was a mask, and a little treatment with a modified Tesla coil. Plastics tend to be hydrophobic, meaning their surface repels water. These plastics also tend to be non-receptive to ...