Category Archives: Uncategorized

Graphing Annual Tidal Cycles

I made a graph many years ago of one year of tide predictions for Saipan, plotted with height as a function of time of day, month by month.  Each month is represented in a distinct color.  This exercise was inspired … Continue reading

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My aperiodic report about usage of GNU/Linux

Well, here’s my aperiodic update on GNU/Linux distros.  (I haven’t installed BSD, maybe someday.) I am now cleaning up an install of FUNTOO.  It’s a bit unnerving.  Works ok so far.  I have stumbled across a few Gordian knots of … Continue reading

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FSF Certifies USB Wifi Device—little people change the world. From Slashdot: the FSF announced certification of the ThinkPenguin TPE-N150USB, Wireless N USB Adapter, which uses the Atheros ARAR9271 chip. This little note makes all the difference: There’s also a cool … Continue reading

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Lilacs are blooming

Lilacs are a phenologically interesting species.  My plant in Oakland is flush with flowers today, 2 April 2013. This photo was taken March 10th in Oakland, California. Leaves had just started to break out from buds of this plant outside … Continue reading

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San Francisco has the oldest working tide gauge in North America

From the following link: http://www.huffingtonpost.com/brook-meakins/preview-sea-level-rise_b_2569613.html San Francisco has the oldest continually operating tidal gauge in the Americas, which has recorded the varying sea levels since 1854. Over the past 100 years, it has tracked an 8-inch rise in water level. … Continue reading

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GNU/Linux Distro Roulette: back to Ubuntu (Sort of)

For some months, now, I’ve had my fun with Arch Linux, and I’ve been happy with it.   It’s solid; the updates are uncannily smooth and go without error, all the time; software is up to date; emacs is handled sanely … Continue reading

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Mini Macro Setup: Canon PowerShot SD1100 IS

Using an eyepiece from a broken microscope as a macro attachment for a point and shoot digital camera. A microscope eyepiece is reversed, fitted onto the open lens of the camera, using carboard from a starbucks coffee insulator to form … Continue reading

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