Tesla coils are beautiful examples of high voltage hardware, throwing sparks and teaching us about all kinds of fancy phenomena. They can also be quite intimidating to build. [William Fraser ...

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 ...

The world's largest lithium ion battery has begun dispensing power into an electricity grid in South Australia. The 100-megawatt battery, built by Tesla, was officially activated on Friday.

Tesla has finished installing the world's biggest lithium-ion battery and will switch it on over the coming days. The 100-megawatt battery in South Australia is designed to provide security to the ...