Category Archives: Cool Facts

When to get married

Posted by on September 14, 2009 No comments

Happy 09/09/09 day!

Posted by on September 9, 2009 No comments

How to Turn a Sphere Inside Out Video

Posted by on August 20, 2009 1 comment

How to Compute Cubed Roots Fast

Posted by on August 9, 2009 No comments

How to Square 2-digit Numbers Fast

Posted by on August 8, 2009 No comments

How to Guess the Number of M&Ms in a Jar

Posted by on August 6, 2009 No comments

Using Fibonacci for mile <--> km conversion

Posted by on July 29, 2009 No comments

Prime number trick (with solution)

Posted by on July 22, 2009 2 comments
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