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Tag Archives: math
Mathematics, Physics, and A Hard Day’s Night
Using mathematics and the physics of sound, one of the mysteries of rock ‘n’ roll is examined: how did the Beatles play the opening chord of A Hard Day’s Night? Mathematics, Physics, and A Hard Day’s Night (pdf)
Posted in CJ's Quick Links
Tagged analysis, beatles, chord, math, mathematics, music, physics
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More Metric Stuff
I’ve gotten a lot of emails about my articles about the necessity of the U.S. converting to metric soon (President Obama, Give Us a Yard and We’ll Take a Meter; Some Practical Consequences of Going Metric). Let me address a few of them.
Posted in Gov't and Politics
Tagged america, arithmetic, avoirdupois, centimeter, cm, conversion, inch, inch-pound, math, mathematics, metric, metrication, metrification, millimeter, mm, road, sign, speed, transition, united states, us
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Some Practical Consequences of Going Metric
My recent entry: President Obama, Give Us a Yard and We’ll Take a Meter has generated a fair amount of email (thank you, by the way). Among the comments were concerns about various aspects of doing the conversion, specifically about all that math to go from one system to another. Then there were comments about the realities of conversion. Let me try to address both of those items.
Posted in Gov't and Politics
Tagged area, cm, conversion, cooking, gram, inch-pound, kg, kilogram, kilometer, km, length, mail, mass, math, meter, metric, metrication, metrification, mile, odometer, paper, publishing, shortcut, speed, transition, weight
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Fixing the Education System
As with the weather, many people complain about the state of education but don’t really offer up suggestions for changing it. Here’s one proposal to overhaul the current system.
Posted in Gov't and Politics, Gripes
Tagged academia, administration, arithmetic, asl, civics, congress, coursework, education, english, history, language, learning, math, phonics, policy, public school, reading, reform, regligion, school, school board, science, sign language, spelling, students, teachers, teaching
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Musing on… The Calculator Turns 40
How old am I? I remember when there weren’t any electronic calculators. I remember when the mathematical shortcut of choice was the slide rule (I still have two of them available should a massive EMP wipe out all electronic access). Then came the late-mid 70s. My dad brought home one of the first electronic calculators, an
Posted in Musings
Tagged calculator, education, electronics, math, mathematics, technology
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