Electric motor used by James Joule, c.1860. Armature original but the rest may be replica. This simple electric motor was used by the scientist James Joule for experiments about energy. Joule was a ...

But the real gem? The weird janky motor he built to run it. The concept is simple. An e-bike is electric, in that it has an electric motor and a source of electric power. However, [Tom] intended ...