Warp drives have long lived in the realm of science fiction, but the underlying physics that inspired them is very real and ...

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 ...

Shattered glass does not leap back into your hand. Smoke from a match does not gather itself and crawl back inside. In ...

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 ...

In a makeshift lab, a trio of brainiac students argue over their time-travel device. The skeptic on the team has her doubts—not that the invention will work, but whether they should be mucking around ...