How to Get to the Fourth Dimension

A new book offers mathematical puzzles, such as fitting a coin through a hole that seems too small to accommodate it. Colm Mulcahy reviews "Things to Make and Do in the Fourth Dimension: A Mathematician's Journey through Narcissistic Numbers, Optimal Dating Algorithms, at Least Two Kinds of Infinity, and More," by Matt Parker. Farrar, Straus and Giroux.

http://www.scientificamerican.com

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Submitted 9 years ago by ressmox Carl Sagan explains the 4th dimension

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9 years ago
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- AdelleChattre
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  Thank you. I have a lot of problems with math, too. Maybe that's why it seems so impressive when people actually search out befuddlement at math like it was spending the afternoon in a hammock having mint juleps and sandwiches. Makes my head spin.
  
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  - Gozzin
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    Yeah,that and string theory. I just can't wrap my head around it.
    
    9 years ago
    
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Cobbydaler
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I used to love reading Martin Gardner, so I've bought this for my Kindle.

9 years ago

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