Monthly Archives: April 2014

Damped Simple Harmonic Motion

Previously I showed that the rocking suitcase demonstrates something tolerably close to simple harmonic motion (SHM) even though the forcing acting on it is a step-function that changes sign at zero, rather than a linear ramp. The frequency of the … Continue reading

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Simple Harmonic Oscillators

It’s curious that popular science articles are happy to discuss black holes and warped space and holograms on the brane, but they never mention simple harmonic oscillators (SHOs) or simple harmonic motion (SHM). SHM is the cornerstone of physics. The … Continue reading

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Will Bill C-23 Prevent Me From Voting?

I moved recently, and in BC the provincial government has an interesting way of updating your driver’s license when you move: There has been a great deal of quite justified uproar regarding the Harper government’s latest assault on Canadian democracy, … Continue reading

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The Mechanics of Book-Building: print

E-books are a lot simpler than print. The great thing about e-books is you’ve got an HTML layout engine doing all the heavy lifting for you, and while you can’t control what the finished product will look like, you’ll at … Continue reading

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The Mechanics of Book-Building: e-books

This is focused on issues of interest to Canadian writers, so if you aren’t Canadian a lot of it will be irrelevant or misleading. I’ve just gone through the Amazon “Kindle Direct Publishing” (KDP) process, and am in that delightful … Continue reading

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The Bonferroni Correction

Despite sounding a bit like the title of a Robert Ludlum novel, the Bonferroni Correction is a somewhat controversial fix for a common issue in statistical analysis. The issue itself is nicely illustrated by this particular bit of wisdom: June … Continue reading

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