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Archimedes Lab Project

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Tag: proof

Posted on February 6, 2022

Why √2 ∉ Q

The beautiful proof of why √2 ∉ Q

Proof square root 2

Posted on February 21, 2020February 21, 2020

Original Proof of the Pythagorean Theorem

Clever visual proof by Mike Hirschhorn.

pythagorean theorem

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About Archimedes Lab

Mental activities and tutorials that enhance critical and creative thinking skills.

We provide compelling educational and entertaining content to book and magazine publishers. We also invent and develop thinking games and visual material for recreational, cultural or advertising use.

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Recent Posts

  • Dudeney Numbers May 28, 2023
  • 123456789 May 23, 2023
  • Thébault’s Theorem April 10, 2023
  • Two Meanings, One Word: The Tautology Tango March 13, 2023
  • Fibonacci Zoetropes March 2, 2023
  • Arithmetic Mean ≥ Geometric Mean February 27, 2023
  • A Curious Constant January 26, 2023

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Our Recent Educational Books

Eye Bogglers
Ultimate Eye Twisters
Eye Bogglers
ISBN 1780970749
Ultimate Eye Twisters
ISBN 1783124482
Fantastic Optical illusions
illusion playing cards
Fantastic Optical Illusions
ISBN 178739235X
Illusion d'Optique playing card deck
Optical illusions
You can't possibly color this
Optical Illusions
ISBN 1682973395
You can't possibly color this!
ISBN 1633223515
Impossible Folding Puzzle and Other Mathematical Paradoxes
Hidden Picture Puzzles
Impossible Folding Puzzles
ISBN 0486493512
Hidden Picture Puzzles
ISBN 1623540380
How To Draw Incredible Illusions
Amazing Optical Illusions
How To Draw Incredible Illusions
ISBN 1623540607
Amazing Optical Illusions
ISBN 1787391639
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16136 Genoa, Italy

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Mental activities and tutorials that enhance critical and creative thinking skills

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