Morning Overview on MSN
Why time only moves forward, and past travel can't happen
Time feels like the most familiar thing in the world, yet it hides one of physics’ hardest questions: why do we only remember ...
Morning Overview on MSN
What physics really says about time travel possibilities
Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that ...
In the ETH experiment, self-oscillations (blue-red) cause sound waves (green, orange, violet) to travel through the circulator only in one direction. Credit: Xin Zou Researchers at ETH Zurich have ...
In context: Sound waves typically propagate in forward and backward directions. This natural movement is problematic in some situations where unwanted reflections cause interference or reduced ...
Bizarre particle gains or loses mass depending on direction it travels By Michael Irving December 11, 2024 Scientists have accidentally discovered a strange particle that has mass when it moves in one ...
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