My first magnetic levitation project setup lifting a NIB magnet working after a week of adjusting and testing. A NIB magnet with some metal pipe is supported motionless, 1 inch below the coil. “..look Ma, no hands..”
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I made about 50 ml of liquid oxygen by passing medical grade oxygen through a condenser in a dewar of LN2. The photo shows it adhering to a magnet, due to it’s paramagnetism.
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The Levitron (R) is a small spinning top like magnet that is fully hovering in mid air unsupported. It is rather critical in its dimensions and operation. This requires adjustment by very small weight changes. It is commercially made and sold as a science toy. See their site for details.
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This homopolar motor has 4 components and takes seconds to make. Running here at 5800 RPM. It ran for 2:35 minutes once the power is off because the bearing is only a point with much of the weight taken off by gravity.
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Not sure what to call this thing made over 20 years ago. So, a whatchyamacallit it is. Not to be confused with the Whatchamacallit of Hershey bar in 1978.
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Using a can crusher on steel cans is more difficult.
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A dual concentric magnetically driven circular Jacobs ladder. The sparks form in one spot but rotate due to the magnetic field.
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The spanner smashes into the aluminium sheet which is being pushed away by a huge magnetic pulse.
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I have held regular Home Open Days where I did demonstrations for people by invitation.
“Continue reading” for highlights of the many displays. 36 photos.