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Astronomers link mysterious cosmic flashes to collisions of dead stars
科学与环境

Astronomers link mysterious cosmic flashes to collisions of dead stars

For decades, astronomers have identified collisions between two neutron stars through bursts of gamma rays that can disappear in less than two seconds. But some of these violent encounters may also reveal themselves through X-ray flashes lasting several minutes. A new study publi

Phys.org - latest science and technology news stories ·

Mysterious oarfish's fins inspire large underwater robot design
科学与环境

Mysterious oarfish's fins inspire large underwater robot design

When designing a large underwater robot that could swim silently to avoid startling sea creatures, roboticist Rob Shepherd considered the unusual swimming system of oarfish, the meters-long fish whose ribbon-like dorsal fin moves in waves to propel its body.

Phys.org - latest science and technology news stories ·

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科学与环境

A record-breaking X-ray flash may reveal the birth of a magnetar

Astronomers have found strong evidence that some mysterious, minutes-long X-ray flashes are produced when two neutron stars collide and create a magnetar. One record-setting event glowed in X-rays for nearly 10 minutes, potentially opening a new way to find these extreme cosmic m

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