NASA designing harpoon to capture comet samples (video)

Scientists are developing a harpoon that would blast out of a spacecraft and collect samples from a comet hurtling by.

Source: http://news.cnet.com/8301-11386_3-57343265-76/nasa-designing-harpoon-to-capture-comet-samples-video/?part=rss&subj=news&tag=2547-1_3-0-20

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