Comments by "ZGryphon" (@ZGryphon) on "Technology Connections"
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Ah, brake cleaner, or as my father the hobbyist mechanic calls it, "cut finding spray".
The subject of this video brings back fond memories from my misspent youth. I worked in an ISP network ops center where we had a lava lamp (to pass the time on the overnight shift, I guess). Once at the weekly NOC staff meeting, the manager chewed us out for misusing severity zero in the trouble ticketing system. Severity zero was for the worst problems, real future-of-the-company's-at-stake stuff, and someone used it for something that wasn't, causing the ticket system to page the manager at home in the middle of the night for what he didn't consider a good enough reason.
That night about 10:30, the bulb in the ops room lava lamp burned out, so I performed the required lockout/tagout procedures for failed electrical equipment, opened a severity zero ticket for it (complete with all the troubleshooting steps and a recommended course of action, which was for senior personnel to get a purchase order and buy a new bulb at OfficeMax), then escalated it to the manager for good measure. The next afternoon when I got in, the lava lamp was fixed and the ticket was marked, "Repaired per recommendation," and closed by the manager. He never said a word to me about it. :)
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When I was a kid in the late '70s, my parents still had one string, ancient even then, of C9s that were painted instead of made from tinted glass. They got even hotter than the tinted-glass kind. Like, lose-your-fingerprints hot. That was also back in the days when Christmas lights were wired in series, so when one bulb burned out, they all went out, making finding the dead one an incredibly tiresome process. Luckily, I had a nightlight that used the same size bulb, which my father would commandeer as a bulb tester. Ah, nostalgia.
In retrospect, it's really kind of amazing how terrible those old light sets were. Between that and pre-polarization appliance plugs, it's a wonder anyone survived the 1960s.
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Data point: In the northern half of Maine where I live, we don't have a natural gas pipeline network, so most of us are burning No. 2 fuel oil delivered by truck, either in forced air systems or, as in my 100-year-old house, boiler-radiator systems. A few avant-garde types (like my father) are using propane out of cylinders instead, like you, and of course there are the holdouts who still burn wood, and those pellet stove wackos, but fuel oil is still by far the most common choice in these parts.
Hot water systems are still pretty common as well, although that's at least partly because central air is pretty uncommon in private homes. It's only hot enough to need AC for about six weeks a year, anyway.
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So, at first, I wanted to call this device The Bowdlerizer, but then I decided that, in honor of the era it comes from, it should be dubbed the PearlClutcher 2000. (The modern HD version is, of course, the Pearlclutcher 5000, because camelcase is no longer "in", and for some reason marketers skipped right past the 4th and 5th millennia after "2000" ceased to be futuristic.)
My favorite bit of TV censoring from that era has to be from the network broadcast edit of On Golden Pond, in which Jane Fonda's character's declaration that "my father is a goddamned poop" has the "god" muted out, but not the "damned". It's doubly funny because "poop" is in the original line, not a redub!
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I remember seeing a BBC documentary about utility usage in the UK, some years ago, which showed the havoc that happened (and probably still happens) in England's electrical grid control center every weekday. At... I forget the exact time, six or seven in the evening, a certain popular TV show ends, at which point everyone who was watching it simultaneously switches on their electric kettle. Power dispatchers sitting at their consoles watching the show themselves, so they know the exact moment the credits start rolling and all hell breaks loose. Pumped storage plants being dumped in France to help meet the demand spike in the West Country. Complete pandemonium for five or ten minutes, every weekday at 5:59 PM or whenever it is, and then by ten past six or so it's all over and everything's working normally again.
Household HVAC trends on a slightly less precise timetable, admittedly, but that's what the pattern reminded me of.
In terms of lowering overall demand, I think it's time we, as a society, explored the possibility of using usage patterns to identify digital-currency mines and then launching cruise missiles at them. That option should be fully tested before ordinary citizens start letting utility companies adjust our appliances for us.
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My house doesn't have a water heater as one usually pictures them, which puzzled me the first time I ventured into the basement and didn't see one anywhere. It has oil-fired hot water baseboard heating, and the domestic hot water comes from a holding tank connected to the main heating loop by a heat exchanger, so that you're not showering or making dinner with the same water that's been going through the radiators. It's the only house I've seen set up like that (although I'm sure there must be plenty of others, it's not like the heating system here is some kind of one-off handmade custom rig).
Also, to be fair to Thomas Midgley (about whom I wrote my undergraduate senior thesis in history, as it happens), "As far as we know, it's harmless" was also true of Freon in his lifetime. His other most famous invention, lead tetraethyl... not so much, admittedly.
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I always wondered what those chrome squares on film cartridges were for, but never had a piece of equipment that actually used them. Somewhere around here, I've got my mother's old Minolta SRT201, on the back of which is a table for translating DIN film speeds into ASA. That camera has automatic nothing, so I assume all the ASA knob does is set the internal light meter's expectations, but it's been a very long time since I used it, so I can't remember for sure.
Wasn't there a fancier incarnation of computerized 35mm cartridges, right before film cameras stopped being a Thing for the mass market? I seem to recall TV commercials where Kodak was predicting they would be the Next Big Thing, at almost exactly the moment when the Next Big Thing was obviously digital.
Also, when you showed your first camera, it made me nostalgic for mine, an Instamatic X-15. Good ol' square-frame 126. I can still remember the smell of spent Magicube™ flash cubes.
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I have a textbook from a "history of technology" course I took as an undergrad which includes a reprint of my second-favorite magazine advertisement of all time. It's from sometime in the 1910s, I think, and it shows a lady vacuuming a parlor using one of the newfangled electric vacuum cleaners... which is connected to the light socket in the ceiling, because as you note, that was clearly a perfectly reasonable thing to do in those days. :)
Anyway, I wish I had switched outlets in this place. Instead, in order to get LAMP to work from somewhere within reach of where I'm likely to find myself in the dark, I have to use those things that are like extension cords, except they don't actually extend the outlet, they just have a switch at the other end of the wire. The house probably needs to be completely rewired, but who the hell has that kind of money? Not me, that's for sure.
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This one is particularly fascinating to me, because it lights up (as it were) a lot of old memory fragments that I hadn't thought about in years. Got me properly nostalgic.
Many years ago, I had a mid-'60s VW Beetle that had a big red illuminated knob on the dash for the hazard lights. Pull it, and the right turn signals would come on. Then you'd signal a left turn with the stalk, and presto! Four-way hazard flashers. I'm not sure whether that was the intended behavior--I suspect not, as that car had a number of strange electrical habits--but that's how that particular one worked.
Also, I remember when I was a kid (back in the days of thermal flashers), it was very common for hooking up trailer lights to cause hyperflashing. I assume that had something to do with the fact that the trailer light connectors were almost always aftermarket and had usually been installed by the owners, who were generally the kinds of guys who thought they knew how to do stuff like that but really didn't. :)
Also also, the bit at the end with the Bolt drifting out of phase reminded me of grade-school-age me noticing the fact that the aircraft warning lamps at the tops of the local radio station's AM and FM transmitter towers did that. They would look like they were in sync for a few flashes, then drift into a weird syncopation, then they would seem to be exactly opposed for a while, and so on. Endless fascination, for a child of a certain bent of mind.
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In re the cost of early prerecorded videocassettes: I'm old enough--just--to remember when they became available to rent. At the one store in my town that offered them (which was a pharmacy, of all things, in its "day job"), they took the act of renting the tapes out more seriously than they did renting out the machines to play them. You could rent a VCP (not R, because not capable of recording) by the week and with no deposit, but the contract for renting the tapes read like a criminal indictment. May the gods themselves help you if you don't bring it back after one night, and if anything happens to it, even they won't be able to intervene. They wouldn't even consider selling you a copy, even used, because then they'd have to get another one to replace it in their own inventory, and it wasn't in the operating budget.
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I wonder whether the film/tape split in BBC productions (MPFC, original-formula Doctor Who, et al) was less noticeable at the time of original broadcast, since UK TV broadcasts were at 25 FPS, only one off from the usual frame rate of film. The difference is pretty noticeable in 30-FPS NTCS transfers of vintage Doctor Who episodes, and I would assume is startlingly obvious in any HD remasters of same. I mean, you'd still have that hard-to-quantify difference in "feel" between the two, but the frame rate disparity in the original sources would be better hidden.
Also, in re the post-production having to be re-done for an effects-heavy show whose live-action photography was on film: this was recently done to the 1990s HBO series From the Earth to the Moon, which was reissued on Blu-ray to commemorate the 50th anniversary of Apollo 11 last year. (The necessity for it is also the reason why there probably won't be a Blu-ray release of the Director's Edition of Star Trek: The Motion Picture, since they spent a huge amount of money to re-make a bunch of the effects shots in that film... for DVD, only a couple years before HD formats came along. D'oh!)
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Wow, now that lights up an old memory track. When I was little, my grandparents ran a restaurant, and they had a pair of giant coffee percolators, one for regular, the other for unleaded decaf. The one they used for regular was the bigger of the two, and could probably make something like five gallons of coffee at a time. When it was running, instead of the little "perk perk perk" noise a normal one makes every second or two, it would sit silently for ten or fifteen seconds and then make this terrifying harrrrumph, like an elephant public speaker clearing his throat. As a very small child, I was quite frightened of this device. I used to try to time my passage through the dining room so that I wouldn't be right in front of it when it went off.
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