The first thing you notice about this product is the fact that it is levitating, then you notice it is spinning using just the power from the ....
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Produced since 1921, These Japanese .
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This is a 4 cylinder "tumbling spider" gas power engine. This engine is based on aircraft engines tested in the 40's and 30's..
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Instead of punching finger-stabbing, environmentally unsound steel wires into your papers, this gadgets folds, cuts and tucks the ....
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Due to popular demand we have produced another version of our lecture .
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What is a Halbach array? A Halbach array is a special arrangement of permanent magnets which increases the magnetic field on ....
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Thermal Acoustic Engine. Similar to a stirling engine..
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This is one of our new solar powered stirling engines..
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