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NASA finds humanity would totally fumble asteroid defense
(www.theregister.com)
This is a most excellent place for technology news and articles.
Actually they say that Comet Dibiasky is twice the size of the dinosaur killer, but they also say it's 6-1 9 kilometres wide. 10 kilometres is the size of Chicxulub. Scientifically it was very inaccurate. But politically it's flawless.