Levitation recreates nature's dumbbells
Nottingham, UK (SPX) Jan 08, 2015 - Splash form tektites are tiny pieces of natural glass created out of spinning drops of molten rock flung from the earth during an extra-terrestrial impact - when the earth is hit by asteroids or comets. They come in a myriad of shapes - from dumbbell to doughnut - and the formation of these shapes has been the subject of scientific investigation for centuries. Using magnetic levitation to ... more
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