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May 20th, 2005

cjsmith: (Default)
Friday, May 20th, 2005 04:35 pm
A mathematician, a physicist, and an engineer are all given identical rubber balls and told to find the volume. They are given anything they want to measure it, and have all the time they need. The mathematician pulls out a measuring tape and records the circumference. He then divides by two times pi to get the radius, cubes that, multiplies by pi again, and then multiplies by four-thirds and thereby calculates the volume. The physicist gets a bucket of water, places 1.00000 gallons of water in the bucket, drops in the ball, and measures the displacement to six significant figures. And the engineer? He writes down the serial number of the ball, and looks it up.

Credit: this web page.
cjsmith: (Default)
Friday, May 20th, 2005 05:55 pm
Three-quarters of the way 'round the building (making sure to include the side with bad camber) and back again. My arms don't like this, Sam I Am, but I can tell they're getting stronger. I can put the chair in the car, wash my hands, and begin typing this journal entry without waiting for my arms to solidify again.

In other news, this morning's physical therapist taped the hell out of my feet* and my right one hurts MUCH MUCH less than normal. I don't know what he did or why the two are different, but I'm definitely going to tell him this experiment gave interesting data. The tape itself hurts a bit though.

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*As opposed to yesterday's physical therapist who also taped the hell out of my feet -- differently. That was the myofascial therapy clinic, this one is a more garden-variety physical therapy place. I'm seeing them both and they're not jealous of each other. ;-)