Be Careful!

March 7, 2012 at 9:38 pm 3 comments

The following are perhaps the most uttered, least helpful words that a parent says:

Be careful!

The uselessness of the statement derives from its timing. It is typically said after a young child has bumped his head, slammed his finger in a garbage can lid, or fallen down and skinned his knee. What good does it do then? Yet it must be an autonomic response; I cannot help but utter the phrase after one of my sons has an accident.

Into The WildApparently, I’ve said it enough times that it has been internalized by my sons. While looking at the cover of the Into The Wild soundtrack, my four-year-old son Alex said, “Daddy, he’s not very careful.”

“Who’s not?” I asked.

“This guy,” he said, pointing to the photo of Emile Hirsch sitting atop an abandoned bus. “He’s sitting on top of a bus. That doesn’t seem very safe.”

I suppose it’s not surprising that a mathy father would instill carefulness in his son. We mathy people are known to be a careful lot.

Student: How do you perform a Fourier transform?
Teacher: Very carefully.

The following professionals are also very careful when they do what they do.

How does a mathematician find the area under a curve? She carefully calculates the definite integral.

How does a chemist find the area under a curve? He carefully plots many points on a piece of paper, draws a line of best fit, cuts out the area under the curve, weighs the cut-out, and divides the mass by the density.

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3 Comments Add your own

  • 1. Chris  |  March 7, 2012 at 9:53 pm

    I never even thought about doing area of curves based on weight. That could make for a neat extension in a Calc class. Thanks!

    Reply
    • 2. venneblock  |  March 8, 2012 at 7:44 am

      That’s what I’m here for — pushing the envelope! You’re welcome. Let me know how it works out.

      Reply
      • 3. xander  |  March 8, 2012 at 11:58 am

        Wait… I thought any piece of paper would do. Now I have to find an envelope, too?! Chemistry is too hard. :(

        xander

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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.

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