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Time mirrors are real, physicists finally prove the weird effect
Physicists have finally turned a long standing thought experiment into a laboratory reality, showing that electromagnetic ...
DURHAM, N.C. -- Researchers at Duke University and Aalto University (Finland) have constructed a "meta-mirror" device capable of perfectly reflecting sound waves in any direction. The ...
In the new experiment, roosters made fewer alarm calls, meant to warn peers of predators, when placed in front a mirror versus when standing near another rooster. Stefano Spaziani / picture alliance ...
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