Modern researchers try to bring to life the idea of a scientist who lived more than a hundred years ago. We are talking about Nikola Tesla. In 1891, the inventor developed the Tesla coil, a resonant ...

before electrical power leaves a power station – it is transferred at high ... A step-up transformer has more turns of wire on its secondary coil than it does on its primary coil.

Wind the copper wire around the end of a broom handle to create a coil with a 1-inch diameter. Take each end of the wire and wrap it around the coil to hold the coil together. Leaving about 2 ...

Although it will only be powerful enough to light a small torch bulb, it works on the same basic principles as the power station generators ... consists of just a coil of wire and a bar magnet.

but portable power stations are often the more convenient, more portable option. These large generator-sized batteries are more versatile and have a lot to offer: For starters, they're quieter.