There’s great potential in salvaging a motor from a broken appliance, but so often the part in question is very specific to its application, presenting a puzzle of wires to the experimenter. This was ...

Higher motor efficiency is a Good Thing – It’s unlikely that any design engineer ever said, “Gee, if only I could find a really inefficient motor for my next design.” When I was working on an article ...

[Ameres Valentin] was looking for a less expensive way to get around after spending in excess of 100 Euros a month on public transportation in Munich. His solution is an electric bicycle powered by a ...