Archive for December, 2009
Sunday, December 20th, 2009
I became a big fan of Marcus du Sautoy when I read his books Symmetry, and Music of the Primes.
Then I discovered the TED video, Symmetry: reality's riddle.
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Posted in Fun | 3 Comments »
Thursday, December 17th, 2009
Happy Holidays, everyone!
I'll give $20 as an Amazon gift card (or PayPal cash) to whoever, in my opinion, comes up with the best caption for the image below. Click on the image to gain the full, mind-boggling, effect. The small piece of the image you see here doesn't do the ...
Posted in Fun | 65 Comments »
Wednesday, December 16th, 2009
Crewton Ramone's Blog of Math has a couple of videos that show the power of using manipulatives to do multiplication. I've always been pretty decent at multiplication yet I enjoyed seeing how manipulatives can really help students to get grounded into what multiplication really means. His videos demystify the cross-multiplication ...
Posted in Reviews | 1 Comment »
Tuesday, December 15th, 2009
An Imaginary Tale is an enjoyable historical and hands-on exploration of imaginary numbers. One Amazon reviewer, K. Jazayeri, characterized the book perfectly:
You may think of it as an "appetizer sampler" for the topic - "A Splash From The Complex Plane" - to quote the title of a diagram in ...
Posted in Book Review | No Comments »
Tuesday, December 15th, 2009
What fun thing can you make with card stock and scotch tape? Check out this video and find out.
[youtube]http://www.youtube.com/watch?v=fc1X8VJBfDA&feature=player_embedded[/youtube]
Hat tip to Denise at Let's Play Math.
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Posted in Fun | 3 Comments »
Monday, December 14th, 2009
I really like optical illusions. Until recently, my favorite was this one. But, I have a new favorite now.
Here's one that bothers me. See if it bothers you.
Look at the image below. Which square is darker, A or B, or are they the same color?
A hat tip to John Cook ...
Posted in Optical Illusion, Fun | 4 Comments »
Thursday, December 10th, 2009
I've been a fan of Clifford Pickover since I discovered his books a couple of years ago. Some of Pickover's book are like Martin Gardner's in that they present problems that inspire Math exploration. But, I must say that many of the problems that Pickover proposes are very difficult ones. ...
Posted in Book Review | No Comments »
Wednesday, December 2nd, 2009
No Starch Press contacted me and offered me a review copy of the Manga Guide to Calculus. I have a hard time turning down a free Math book so I accepted.
I had never heard of "manga" before so I read up on the subject at Wikipedia.
"Manga consist of comics and ...
Posted in Book Review | 4 Comments »
