Sea-urchin spines generate electrical signals in flowing water

· · 来源:proxy资讯

Both the UK and US's research facilities in Antarctica are on the hunt for the next batch of workers to "go south".

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The ISS does have its own defenses, of course. Fabric-y buffers envelope some of the systems, and a bumper called the Whipple Shield helps blunt impact. That shield is only built to stop debris up to about 1 cubic centimeter, though, and the debris tracker is only designed to catch pieces 10 cubic centimeters and larger. In other words, there’s a gap in defenses.

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