Tutoring math, physics, or biology, the relationship between crickets’ chirp rate and the temperature is fascinating. The tutor’s observations agree with theory. Field crickets, which are most likely the kind I hear right now, are chirping at 160/minute (I just …

Cricket chirping related to temperature: field evidence Read more »

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Tutoring math, calculators can always be interesting. The tutor shares a capability of the Nexus 4 on-board calculator. If the Nexus 4 on-board calculator has broad complex number capabilities, I don’t know about them. I tried √(-4) and got Not …

Calculator Usage: Euler’s identity with the Nexus 4’s on-board scientific Read more »

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Tutoring English, the meanings of words might be surprising. The tutor shares a recent discovery. Paranormal: inexplicable by known science. Supernatural: outside the laws of nature. Are paranormal and supernatural synonyms? The answer depends on how you define science and …

Beyond science: paranormal vs supernatural Read more »

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