less geeky than thou

The Geek Hierarchy. Referred orally(!) by John Grigsby.

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by a mountain lake

This weekend’s activities included sitting on a tree stump by the shore of Lake Tahoe. Lesson learned: Sap can be sticky for quite a long time.

At some angles, the water looked strangely metallic to me; unlike the dark green sea-water around San Francisco. One of my companions remarked that those of us without polarized glasses missed seeing down into the water.

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Spleen, Venting, Department of.

In the past eight days I’ve received nine spams from CustomOffers, identical in form but varying in content. I have relayed each to its provider Exodus, but got no response (other than from the bot); perhaps everyone there is too busy being acquired by CW. I therefore resolve never to do business with either of them.

It especially honks me off when spammers use bugs, of the form <img height=”1″ width=”1″ src=”http://shameless.parasite.com/whitepixel.gif?email=target.address”>. This shows up as a dot, but its real purpose is to appear in the sender’s web-traffic log as a sign that your address is valid.

Oh well. This came to my JPS address (rather than through Pobox), and I mean to find another dialup provider anyway.

In 1999 Earthlink acquired Mindspring, which had previously acquired Netcom. Netcom’s list-servers were transferred to Earthlink, but a couple of blunders were made, with the result that the next time a message went through the dormant list digital-anarchy@netcom.com all subscribers got a recursive cascade of thousands of bounces — and I could not unsub. (The list owner was a ghost.) After a couple of days of non-response from support@earthlink, I redirected my mail to that address. A few months later I no longer needed a shell account anyway, so I became an ex-customer.

My other (PPP) provider, JPS, was also eventually swallowed by Earthlink, which proceeded to lose my website. Again, no help, so I sought a new and better webhost (serve-you.net), but kept my dialup account for the time being since it was prepaid for several months. Now that has run out, and I notice that Earthlink’s rate ($21.95) is rather high, particularly for a feed that sometimes crashes every few minutes.

If you’re in Alameda County and happy with your dialup provider, please let me know. I don’t need mail or webspace.

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hyperbolic, baby!

Pretty things: hyperbolic planar tesselations by Don Hatch. Presented in the conformal Poincaré disc mapping, which is the most common; it’s analogous to stereographic projection of a sphere. Another favorite mapping is the half-plane, which has no analogue that I can think of.

But I’ve never seen a conformal ‘Mercator’ mapping, preserving one line. Instead of a circle, the infinite hyperbolic plane would become an infintely long but finitely wide strip; Escher’s Circle Limit, transformed through such a projection, would make a nifty frieze (or runner rug).

Sadly I’ve yet to find enough information (clear enough for my lazy mind) on doing stuff in hyperbolic space.

Posted in eye-candy, mathematics | 2 Comments

the Senator from Low Earth Orbit

People say a lot of unkind things about John Glenn, and I won’t rule out the possibility that there might be good reasons for that. But I’d like to record that he did one good thing that I’ll never forget.

Seven years ago, a Republican majority had just taken power in Congress, threatening a number of reforms, including a rule that all legislation must carry a preamble specifying its Constitutional authority. If I am not misinformed, it was the Senator from Low Earth Orbit who naïvely blurted, “But that would make most of what we do illegal!”

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disclaimer

Last night I mentioned linguists and misguided egalitarians in the same breath, and it occurs to me that some might take that somehow as a swipe at a certain public figure. Let me assure both my readers that I was thinking of no commie in particular; it’s merely that language is a perennial interest of mine and the jargon was handy.

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scandal

Jay Zilber looks at a burning issue.

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