Middle School Science Fair Project Ideas Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.
How A Car Engine Works (animated infographic) - because I know very little about cars :P This is very informative!
Build a simple electric motor, a good Science fair project
Hub motors put the power inside of the wheel. [Teamtestbot] goes deep into the hows and whys of building these motors, from parts, to windings, to the math behind the power ratios. The working exa.