How materials that rewind light can test physics’ most extreme ideas
For an experiment designed to reverse time, the apparatus was surprisingly simple: little more than a tank of water. With ...
Read moreFor an experiment designed to reverse time, the apparatus was surprisingly simple: little more than a tank of water. With ...
Read moreAn illustration of the sun’s magnetic fieldNASA/SDO/AIA/LMSAL The sun’s magnetic field may not be as deep as we thought. For ...
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