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Screenshot of A Hairy Problem (and a Feathery Solution)
A Hairy Problem (and a Feathery Solution)
Screenshot of A negative times a negative is a ... ?
A negative times a negative is a ... ?
Screenshot of A New Favorite Puzzle
A New Favorite Puzzle
Screenshot of A new Rhombic Dodecahedron from Croatia!
A new Rhombic Dodecahedron from Croatia!
Screenshot of A Penny Doubled Every 30 Days or One Million Dollars
A Penny Doubled Every 30 Days or One Million Dollars
Screenshot of A Problem with Rectangles
A Problem with Rectangles
Screenshot of A proof that e is irrational - Numberphile
A proof that e is irrational - Numberphile
Screenshot of A science teacher’s presentation of scientific numbers
A science teacher’s presentation of scientific numbers
Screenshot of A Surprising Pi and 5
A Surprising Pi and 5
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