Yossi Elran

I'm a recreational mathematician and metagrobologist and head our institute's technology in education unit. I have a Ph.D. in theoretical quantum chemistry, and think math and science are really cool!

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Flexagons Galore: Advanced Flexagon Fun (FutureLearn)

Jun 7th 2021
Flexagons Galore: Advanced Flexagon Fun (FutureLearn)
Course Auditing
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Learn a systematic approach to making, flexing, and exploring a vast number of flexagons using paper as well as flexagon software. Challenge your maths skills through the magical art of paper folding. Flexagons are twisted strips of folded paper which reveal their properties when flexed. On this course, you’ll [...]
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Flexagons and the Math Behind Twisted Paper (FutureLearn)

Dec 14th 2020
Flexagons and the Math Behind Twisted Paper (FutureLearn)
Course Auditing
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Effort
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Learn how to make flexagons - beautiful and unique paper constructions - and explore the math behind them. Discover the unusual math of twisted strips of paper. Flexagons are twisted strips of folded paper, which reveal their properties when flexed. This online course will explain what flexagons are, their [...]
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Maths Puzzles: Cryptarithms, Symbologies and Secret Codes (FutureLearn)

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Maths Puzzles: Cryptarithms, Symbologies and Secret Codes (FutureLearn)
Course Auditing
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Explore and solve encrypted maths puzzles, in which numbers are replaced by letters or symbols, with this free online course. Discover maths puzzles, explore their history and practise problem-solving techniques. You’ll explore: + Cryptarithms - puzzles where the digits have been replaced by letters. + Symbologies - puzzles where [...]
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An Introduction to Recreational Math: Fun, Games and Puzzles (FutureLearn)

Oct 12th 2020
An Introduction to Recreational Math: Fun, Games and Puzzles (FutureLearn)
Course Auditing
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Explore, discover and enjoy 'recreational' math with fellow students, while boosting your creative and deductive thinking skills! Get an introduction to the fun, games and puzzles of recreational math. This course is all about recreational math. During the course you will challenge your brain and have fun while learning [...]
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