Light-based 'tractor beam' assembles materials at the nanoscale

ScienceDaily
Nov 4, 2019, 1:04 pm119 pts
Researchers have adapted a light-based technology employed widely in biology -- known as optical traps or optical tweezers -- to operate in a water-free liquid environment of carbon-rich organic solvents. The optical tweezers act as a light-based 'tractor beam' that can assemble nanoscale semiconductor…

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