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"I want to break this apart and put it back together again" -- while trying to solve the Rubik's cube

Rubik's cube

This is a weblog post about what makes a hacker, and why there are "good" hackers and "bad" hackers (which is about quality, not whitehat vs blackhat), an insight I discovered while in a brief conversation with my 10-year-old daughter. My daughter has discovered the Rubik's cube,  […]

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How to visualize gravity correctly

This is not how gravity works

First, how to visualize gravity incorrectly   Gravity is illustrated incorrectly in almost all images published over the past century, ever since Einstein determined how gravity works. Only a few artists get it right, while hundreds of books and websites explaining gravity show visually compelling  […]

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