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+ - A weighty comic: xkcd on gravity wells-> 2

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Will.Woodhull writes "xkcd's comic for today is a wonderful description of the solar system in terms of gravity wells. Don't miss it!

It does raise a couple of questions: how accurate are the numbers (can we trust our comics in this day and age)? should this be incorporated into K-12 schooling? And what's with those Titanics: it seems like like they are singing a Frank Sinatra lyric with their lungs full of helium?"

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Elegance and truth are inversely related. -- Becker's Razor