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An asymptomatic coronavirus carrier infected an apartment neighbor without sharing the...
A woman infected her downstairs neighbor even though the two never came into close contact. Transmission likely occurred in the elevator.
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Amplifier for terahertz lattice vibrations in a semiconductor crystal
In analogy to the amplification of light in a laser, vibrations of a semiconductor crystal, so called phonons, were enhanced by interaction with an...
Independence Day marked by division on the streets of Washington
Demonstrators chanting "Black Lives Matter" exchange words with activists waving pro-Trump signs outside a fortified White House: America's Independence Day was marked in Washington...
