This year’s Nobel laureates in chemistry developed the world’s smallest gadgets: motors, machines, and even vehicles made not from metal and electronics but from molecules. The prize is shared equally by Jean-Pierre Sauvage of the University of Strasbourg in France, Fraser Stoddart of Northwestern University in Illinois, and Bernard Feringa of the University of Groningen, the Netherlands, "for the design and synthesis of molecular machines". . . .
In a final tour de force, they constructed a molecule with a rotor at each of four corners—a nanometer-sized, four-wheel drive car that could be seen driving across a surface. Feringa discussed it in this video produced by his university:
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