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A comment on Physicists Create Time-Reversed Waves of Optical Light. Parent comment

Re:Physicists Create Time-Reversed Waves of Optical Light by Throwaway1771 on Thursday December 17, 2020 @10:11PM (#25463378)
Re-emits the opposite sound?
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Re:Physicists Create Time-Reversed Waves of Optical Light by foobarbecue on Thursday December 17, 2020 @10:32PM (#25463500)
Like noise - canceling headphones, presumably.
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Re:Physicists Create Time-Reversed Waves of Optical Light by TheOtherHobbes on Friday December 18, 2020 @03:32AM (#25465062)
Exactly like noise cancelling headphones. Also like any number of industrial noise cancelling systems.
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