Bill and Melinda Gates gave their kids a strict ‘middle-class' upbringing, refused to just 'buy them things' with their ...

We’ve all got a pretty good mental image of the traditional wind-powered generator: essentially a ... the coil inside of the magnet’s field and produces a measurable voltage.

The wind power generator uses 24 magnets, copper wire fashioned into coils, and a metal plate for the main generator. The coils are arranged in a circular formation on a static plate, while the ...

As with all currents, the induced current creates a magnetic field around itself. Note that this magnetic field opposes the original change. For example, if a magnet is moved into a coil of wire ...