JackVGallivan
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1 week ago
The Sun Today
02/29/12 - 9:45am - Dallas:
Creepy chemtrail shadow cast backwards! Due to a strange interaction between the posion layden sky and the Sun rays. N...
JackVGallivan
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1 month ago
Vi Hart
JackVGallivan
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Announcement: Vi Hart and Khan Academy Join Forces!
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Doodling in Math Class: Spirals, Fibonacci, and Being a Plant [2 of 3]
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Doodling in Math Class: Squiggle Inception
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Doodling in Math: Spirals, Fibonacci, and Being a Plant [1 of 3]
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How To Snakes
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Origami Proof of the Pythagorean Theorem
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Pi Is (still) Wrong.
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Re: Visual Multiplication and 48/2(9+3)
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What is up with Noises? (The Science and Mathematics of Sound, Frequency, and Pitch)
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2 months ago
About JackVGallivan
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