Archive for the ‘Fun’ Category
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 »
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 »
Tuesday, September 1st, 2009
Here's a great optical illusion I found at this URL. I don't recall how I got to the page. It might have been from a twitter link.
This is a really cool illusion because, to my eyes, it looks like the circles cross. But, when I look closely I see that ...
Posted in Fun | 2 Comments »
Monday, October 13th, 2008
Doug Hull was randomly chosen as the winner for MMM #16 over at Blinkdagger. Congratulations, Doug!
It's time for a new contest problem. As you may have noticed, I like counting and probability problems. I found an elegant one in an old book. I won't reveal what the book is until ...
Posted in Fun | 1 Comment »
Thursday, August 21st, 2008
Math can be fun. Really!
Check out this video.
[youtube]http://www.youtube.com/watch?v=P9dpTTpjymE[/youtube]
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Posted in Fun | 4 Comments »
Monday, July 21st, 2008
MMM #11 is a variation on MMM #9. I promise I won't do any more variations on this problem after this one!
Consider all of the 6-digit numbers that one can construct using each of the digits between 1 and 6 inclusively exactly one time each. 123456 is such a ...
Posted in Game, Fun, Puzzle, Algebra | 3 Comments »
Monday, June 23rd, 2008
Last Friday Blinkdagger announced a winner for MMM #8. Here's MMM #9:
Consider all of the 6-digit numbers that one can construct using each of the digits between 1 and 6 inclusively exactly one time each. 123456 is such a number as is 346125. 112345 is not such a number since ...
Posted in Game, Fun, Math contest, Puzzle, Probability | 6 Comments »
Friday, June 6th, 2008
We have a winner for this seventh contest. Congratulations, Brent Yorgey! I'm delighted that Brent, of Math Less Traveled, won this one because Brent gives so much to students and readers of his blog. Brent - Enjoy your $25 gift certificate from our kind sponsor for this contest, the Art ...
Posted in Fun, Math contest | 4 Comments »
