Harpoon space junk?

I was a little perplexed by an item on the news the other day about a plan
to fly a harpoon based device to bring down space junk. Surely this cannot
work. I mean not unless you fly a spacecraft for every bit of sizable junk
up there, risking more junk being created by the launches system.

Brian

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From the Sofa of Brian Gaff Reply address is active