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Full Version: Unexpected result shows that in some cases, pulling apart makes cracks in metal fuse
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Quote:It was a result so unexpected that MIT researchers initially thought it must be a mistake: Under certain conditions, putting a cracked piece of metal under tension — that is, exerting a force that would be expected to pull it apart — has the reverse effect, causing the crack to close and its edges to fuse together.
http://web.mit.edu/newsoffice/2013/tensi...Czs.reddit








Interesting.