Arthur Ashkin, 98, Dies; Nobel Laureate Invented a ‘Tractor Beam’
It isn’t quite “Star Trek,” but his optical tweezers use the pressure of light in a laser beam to seize and manipulate microscopic objects, from atoms to living cells.
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Arthur Ashkin, 98, Dies; Nobel Laureate Invented a ‘Tractor Beam’
It isn’t quite “Star Trek,” but his optical tweezers use the pressure of light in a laser beam to seize and manipulate microscopic objects, from atoms to living cells.