Optical tweezers, a genuine nanotechnology tool, work by?

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1. Optical tweezers, a genuine nanotechnology tool, work by?

Using miniaturised laser beams to remove facial hair

Using focused light to trap and manipulate particles as small as a single atom

Serving as a specialised tool for stamp collectors

Not actually existing as a real technology

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Optical tweezers use a tightly focused laser beam to trap and precisely move microscopic and even atomic-scale particles — a technology recognised with the 2018 Nobel Prize in Physics.