Barlow's wheel [SEP] named after
Barlow's wheel
Barlow's wheel was an early demonstration of a homopolar motor, designed and built by English mathematician and physicist, Peter Barlow in 1822. It consists of a star-shaped wheel free to turn suspended over a trough of the liquid metal mercury, with the points dipping into the mercury, between the poles of a horseshoe magnet. A DC electric current passes from the hub of the wheel, through the wheel into the mercury and out through an electrical contact dipping into the mercury. The Lorentz force of
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- Barlow's Wheel - Interactive Java Tutorial National High Magnetic Field Laboratory
- 5H40.50 BARLOW'S WHEEL