A geometric lost art
This images shows the lost art of constructing parallel lines with a couple of triangles (called at the Web site contributing the image "set squares").
Students ask me all the time how they'd use such skills in "real life" anyway. And I think that's part of the problem. We're used to having it done; we're not used to doing it. We're used to computer assistance; we're not used to getting our hands in there. We're used to having it ready to go right now; we're not used to taking the time to see something's done right.
And then we wonder why things don't turn out the way we want 'em to. Didn't we hire a professional? Didn't we use a computer? Here's a hot news flash: we fell over ourselves to find ways to get the wrong answer sooner. To have a wrong answer that's more precise. Our inability to understand, much less construct parallel lines is a symptom.
And the beauty of the world is less than it was. <sigh>
Labels: education, engineering
posted by Ron @ 9:48 PM
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