Archive for October 28, 2010

Math and Disks

Math is only one of my passions. Ultimate Frisbee is the other. I’m playing this week at the USA Ultimate National Championships in Sarasota, FL.

Many mathy folks love Ultimate Frisbee, and I think that has to do with the beautiful physics of a disk in flight. One of my favorite quotes:

When a ball dreams, it dreams it’s a Frisbee. 
     – Stancil Johnson (Disc Golf Hall of Fame 2003)

I have several mathy jokes about various types of disks. For computer scientists…

How am I supposed to back up my hard disk if I can’t find the reverse switch?

For physicists…

There was a young fellow named Fisk,
A swordsman, exceedingly brisk.
So fast was his action,
The Lorentz contraction
Reduced his rapier to a disk.

And for mathematicians…

What is the volume of a disk with radius z and height a? pi · z · z · a

October 28, 2010 at 5:56 pm Leave a comment


About MJ4MF

The Math Jokes 4 Mathy Folks blog is an online extension to the book Math Jokes 4 Mathy Folks. The blog contains jokes submitted by readers, new jokes discovered by the author, details about speaking appearances and workshops, and other random bits of information that might be interesting to the strange folks who like math jokes.

MJ4MF (offline version)

Math Jokes 4 Mathy Folks is available from Amazon, Borders, Barnes & Noble, NCTM, Robert D. Reed Publishers, and other purveyors of exceptional literature.

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