Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that ...

Time feels like the most familiar thing in the world, yet it hides one of physics’ hardest questions: why do we only remember ...

Circuit diagrams for (a) standard and (b) PCTC-powered weak-value amplification. Time progresses in the laboratory’s rest frame as one proceeds upward along the central, vertical axis. Black lines ...

Hawking once said, "I have experimental evidence that time travel is not possible," and recounted his unusual test — which involved throwing a party on Jun 28, 2009. But Hawking didn't send out ...

Most people see time as a one-directional arrow in the universe's symphony. But the world of theoretical quantum physicists is one in which the direction of time is far more flexible. These experts ...

A new Tulane University study published in Nature Communications offers a glimpse into the possible impact of climate change on coastal wetlands 50 years or longer into the future. Scientists are ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American It’s northern summer time, and thoughts drift ...