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Piet Hein's Problems
His inventions and troubling behavior
Aug 19
•
Michael Pershan
18
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Piet Hein's Problems
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The Gömböc
A shape and its creator.
Jun 19
•
Michael Pershan
15
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The Gömböc
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Shape #13: Polycube
Mysticism and math
Mar 7
•
Michael Pershan
9
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Shape #13: Polycube
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Shape #12: Oloid
It's a wobbler
Nov 16, 2023
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Michael Pershan
5
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Shape #12: Oloid
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Shape #11: Cyclogon
They're the Shape of the Week
Sep 13, 2023
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Michael Pershan
6
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Shape #11: Cyclogon
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Shape #10: Orthodiagonal Quadrilateral
Read to the end for classroom questions.
Jul 21, 2023
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Michael Pershan
2
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Shape #10: Orthodiagonal Quadrilateral
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Shape #9: Reuleaux triangle
Shape of the Week is back.
Jul 11, 2023
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Michael Pershan
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Shape #9: Reuleaux triangle
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Shape #8: Prismatoid
THEY ARE SO COOL
May 19, 2023
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Michael Pershan
5
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Shape #8: Prismatoid
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Shape #7: Cupola
Cupolas are the shape of the week
May 12, 2023
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Michael Pershan
1
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Shape #6: Sphericon
I promise I'll post about teaching again soon. But not today.
Apr 28, 2023
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Michael Pershan
2
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Shape #6: Sphericon
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Shape #5: Antiprism
They're the shape of last week
Apr 24, 2023
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Michael Pershan
4
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Shape #5: Antiprism
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4
Shape #4: Double Bubble
It's the shape of the week
Apr 14, 2023
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Michael Pershan
4
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Shape #4: Double Bubble
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1
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