The team of scientists blasted a Ytterbium atom suspended in air with a laser beam.
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Using a Fresnel lens, they were able to snap a photograph of the dark spot left in the atom's wake as the laser passed over it.
The laser distorts the wave phase when it moves the atom to the left or right.
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Once that is done, another laser pulse will jostle the virus from its ground state into an excited state, just as a single atom is excited by moving one of its electrons from a lower to a higher orbital.
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