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*Martin Gardner - Logic Machines and Diagrams, 1982.*

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Jay-Z, photographed by Martin Gardner during a visit to London in 1998.

We cannot tell that we are constantly splitting into duplicate selves because our consciousness rides smoothly along only one path in the endlessly forking chains.

—
Martin Gardner

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Learn A Basic Number Theorem Through Playing Cards

Use playing cards to learn a cool result in number theory. The procedure is based from the book “Time Travel and Other Mathematical Bewilderments” by Martin Gardner.

Find the Centre by Martin Gardner

Which one of the two dots in the illustration is the true center of the circle?

I love the simplicity of Gardner’s little puzzles! Follow the link for a solution diagram.

http://www.puzzles.com/puzzleplayground/FindTheCenter/FindTheCenterPrintPlay.pdf

In a similar vein, Martin Gardner offered the example: “Wouldn’t the sentence ‘I want to put a hyphen between the words Fish and And and And and Chips in my Fish-And-Chips sign’ have been clearer if quotation marks had been placed before Fish, and between Fish and and, and and and And, and And and and, and and and And, and And and and, and and and Chips, as well as after Chips?”

—
~On the Wikipedia page for a list of linguistic example sentences.

**Like puzzles? You can thank Martin Gardner**

The man who rubbed elbows with the likes of famous artists and astronomers found his purpose in a series of puzzles and books that piqued the curiosity of a nation.

Martin Gardner centennial

Yesterday was Martin Gardner’s 100th birthday.

Martin Gardner, born on October 21, 1914, was an American popular mathematics and science writer specializing in recreational mathematics, but with interests encompassing magic, literature, philosophy, scientific skepticism, religion, and chess. Gardner published more than 100 books and almost all of his columns have been collected in book form.

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Four Illustrations that I did for Skeptic Magazine

The mathematician Martin Gardner, pictured above in Central Park, would have turned 99 years old today. As the Times points out, his bestselling book was *The Annotated Alice.*

Gardner’s editor here, Bob Weil, says Gardner

“Logic Machines, Diagrams and Boolean Algebra” by Martin Gardner from the library of CircleArt

There is still a difference between something and nothing, but it is purely geometrical and there is nothing behind the geometry.

—
**Martin Gardner**, *“The Mathematical Magic Show”*

*US logician, mathematician, puzzle constructor, & popularizer of logic & mathema (1914 - )*
. - The Quotations Page

Draw one line—of course, it needn’t be straight— that will divide the figure into two identical parts.

*Neil Hannon of The Divine Comedy. Photo by Martin Gardner.*

theguardian.com

Can you solve Martin Gardner’s best mathematical puzzles?

Alex Bellos: The maestro of recreational maths was born 100 years ago today. Here we celebrate his birthday with eight of his most celebrated puzzles

Enjoy the puzzles ^_^

I am not dismayed by ultimate mysteries; I can no more grasp what is behind such questions as my cat can understand what is behind the clatter I make while I type this paragraph.

—
Martin Gardner

#8: Apples à la Martin Gardner

How can you cut an apple in half using four separate cuts in three different directions?

This is not so much a magic trick as a three dimensional brain teaser. First, start cutting down the apple from the top as if you were going to bisect it normally, but stop halfway down. Second, cut halfway up from the bottom at a right angle to the first cut. Third, carefully cut from one of the ends of the first cut to one of the ends of the second cut at a right angle to both. This third cut will be only half as long as the first two cuts. Fourth, make a similar cut on the opposite side of the apple.

This effect is documented in Martin Gardner’s “Encyclopedia of Impromptu Magic”. I now slice all of my apples this way.