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Christopher Drupieski
752 followers -
Sine qua non.
Sine qua non.

752 followers
About
Christopher's posts

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Dark magic proofs are my favorite.

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My favorite piece of advice: build a time machine.

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I have some experience with this.

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+Allen Knutson: I spotted some more negative curvature, this time in Brussels, Belgium, outside the Royal Library.
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11/28/15
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Great Scot! Doc Brown spotted in Lille, France.
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