Oskay showing us how to make simple electric motor in about 30 seconds by using “one drywall screw, one 1.5 V alkaline cell, six inch pain copper wire, one small neodymium disk magnet, and that’s all”. This is a type of motor which attracts an electromagnet towards a permanent magnet. When two of them are close enough, the polarity of the current through the electromagnet is reversed, so that it now repels the permanent magnet, and thus keeps turning. Read the full instruction here. Also a video for ya…