Levitation recreates nature's dumbbells
Wednesday, January 7, 2015 - 13:30
in Physics & Chemistry
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.