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Get closer!
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Oct 27, 2020 18:43
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That looks cool as hell, but why are there power lines going through those trees? I would hope that the trees grew into the power lines and they were neglected and the power company wasn't stupid enough to run power lines through existing trees.
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Oct 27, 2020 18:45
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Ahh! at first I thought the sound was some sort of weather alarm.
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Oct 27, 2020 18:45
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Cojawfee posted:That looks cool as hell, but why are there power lines going through those trees? I would hope that the trees grew into the power lines and they were neglected and the power company wasn't stupid enough to run power lines through existing trees. it's pretty common in some more forested places for trees to grow up underneath or near power lines. usually there are just too many trees to keep trimmed so it's less costly to just do repairs, and to focus your trimming efforts on important power lines or ones that are obviously at risk from a dead tree or limb
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Oct 27, 2020 18:46
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Megillah Gorilla posted:I was wondering this myself, so I went and checked their site - the gift cards are only for paying for flights, not buying food and drink. That's just a dust devil *rips away tree*  Nevermind
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Oct 27, 2020 18:56
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mds2 posted:Get closer! I know, right? There was a massive ice storm when I was in high school and I remember as my family drove to a hotel watching the bursts of green light in the distance as all of the transformers exploded.
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Oct 27, 2020 19:02
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luxury handset posted:it's pretty common in some more forested places for trees to grow up underneath or near power lines. usually there are just too many trees to keep trimmed so it's less costly to just do repairs, and to focus your trimming efforts on important power lines or ones that are obviously at risk from a dead tree or limb has anyone told the US that you can put powerlines underground? 
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Oct 27, 2020 19:16
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Sure, and they do that in certain areas, but it’s a massive country and it’s far far cheaper to just repair it than change things over to buried lines.
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Oct 27, 2020 19:40
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ekuNNN posted:has anyone told the US that you can put powerlines underground? We do that. Then they explode underground instead.
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Oct 27, 2020 19:41
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MisterOblivious posted:The thead got moved out of GBS and all the people that wanted to talk about climbing and its selfish* risks stuck around. All the QCS concern trolls that flooded the thread with the "death pool" trying to prove how awful the thread is, to get the thread shut down every year, completely disappeared. It's almost like the entire reason people wanted to shut the thread down was caused by the very same people trying to shut down the thread! Weird, that. I would be happy to have it back in GBS if someone makes a good op, that thread had great book and movie recommendations.
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Oct 27, 2020 19:43
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/pans quickly left and right argh if only there were some way of getting all this in the shot at once! also, lol 
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Oct 27, 2020 19:43
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ekuNNN posted:has anyone told the US that you can put powerlines underground? Many places do, but it is very expensive. Throwing up a wooden pole and running some cables is a lot cheaper than digging trenches the whole length. A wealthy enough area will have underground cables. And then a storm happens and one of the cables fails, so Comcast just puts up two poles to string a cable across the road because they are too cheap to run new ones. HugeGrossBurrito posted:I would be happy to have it back in GBS if someone makes a good op, that thread had great book and movie recommendations. If you're willing to probate a bunch of people. I don't think it matters how good the OP or the contents of the thread are. The last time an everest thread was made in GBS, it was immediately filled with two pages of GBS concern trolls saying it should be locked based off of the contents from an even older thread from years before.
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Oct 27, 2020 20:00
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Cojawfee posted:Many places do, but it is very expensive. Throwing up a wooden pole and running some cables is a lot cheaper than digging trenches the whole length. A wealthy enough area will have underground cables. And then a storm happens and one of the cables fails, so Comcast just puts up two poles to string a cable across the road because they are too cheap to run new ones. No issues probing for threadshitting.
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Oct 27, 2020 20:02
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sinky posted:Do the 3d walkthrough on this property to see a disgusting living area turn into an actual amazon resellers warehouse*. It is a cave of wonders what the gently caress is this
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Oct 27, 2020 20:06
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Sing Along posted:what the gently caress is this One of the sights that Pinhead was going to show Kirsty.
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Oct 27, 2020 20:09
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Everest threads were killed for people speculating on the death count. It's macabre, but high altitude climbing kills people - constantly, and without malice. I always enjoyed them, but I've got a fascination with the sport and mountains. I've read a bunch of books from people who have climbed it, and it's my hope that one day I'll get to trek the Annapurna trail and go through base camp. But never climb Everest. The site has been climbed many times and is desecrated. I wish they could just shut the whole thing down but then Sherpas and their communities would suffer. 
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Oct 27, 2020 20:10
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Cojawfee posted:Many places do, but it is very expensive. Throwing up a wooden pole and running some cables is a lot cheaper than digging trenches the whole length. A wealthy enough area will have underground cables. And then a storm happens and one of the cables fails, so Comcast just puts up two poles to string a cable across the road because they are too cheap to run new ones. Isn't it a huge hassle getting rights from a municipality to dig? Poles are usually there, so you just hook onto one.
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Oct 27, 2020 20:21
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Uthor posted:Isn't it a huge hassle getting rights from a municipality to dig? Poles are usually there, so you just hook onto one. If you can get right-of-way from the owner of the poles. One of the reasons wired utilities in the US have such crappy competition is because one or the other utility owns the poles and won't sell you the right-of-way to string your own cables on their poles.
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Oct 27, 2020 20:26
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Jacob's Alder
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Oct 27, 2020 20:38
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High voltage underground cables, with their higher installation cost, much larger material usage, and eminent unrepairability are not actually that awesome. https://en.m.wikipedia.org/wiki/1998_Auckland_power_crisis
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Oct 27, 2020 20:41
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This looks like something I wouldn't want to be within 500' of.
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Oct 27, 2020 20:47
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Uthor posted:Isn't it a huge hassle getting rights from a municipality to dig? Poles are usually there, so you just hook onto one. It varies a TON from place to place. When I lived in New England, power outages were super common, even though I always lived in densely populated areas because I swear everything was above ground and the second it started icing up, the power would go out for a little while at least. Multi-hour outages were not uncommon and I went through two outages of more than 24 hours in as many years. I'm back in rural Minnesota now and in more than a decade, I've had exactly one outage of more than an hour, and that includes years literally living in the middle of a cornfield. When I was a kid, we'd have a lot more outages, but then they went through a concerted effort to bury everything, because Minnesota ice storms do not gently caress around.
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Oct 27, 2020 21:01
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Uthor posted:Isn't it a huge hassle getting rights from a municipality to dig? Poles are usually there, so you just hook onto one. it can be, if there's already existing infrastructure in the way where i live, bedrock isn't too far below ground, and there's already underground storm drains and sewers (sometimes both at the same time) occupying the few feet between the surface and the rock. so, everything is on poles  it's also worth pointing out that while above ground wires are easy to break, they are also easy to fix since you can very quickly find the problem and then get at the problem. both of these are a lot harder if everything is buried underground Mr. Fall Down Terror fucked around with this message at 21:07 on Oct 27, 2020 |
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Oct 27, 2020 21:03
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New Daft Punk album sounding good
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Oct 27, 2020 21:12
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i thought it was going to start playing a song. also the classic: https://www.youtube.com/watch?v=34r6RGF2JLA
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Oct 27, 2020 21:12
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I'm glad he had that helmet
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Oct 27, 2020 21:14
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https://va.media.tumblr.com/tumblr_qivnohx8gE1r0uzl6.mp4
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Oct 27, 2020 21:50
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Elviscat posted:High voltage underground cables, with their higher installation cost, much larger material usage, and eminent unrepairability are not actually that awesome. Oh man, I vaguely remember that (I was 8, and lived in Wellington at the time) so I didn't understand what was going on specifically but my parents were getting very emotive about it
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Oct 27, 2020 21:53
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loving Wizard bosses, take a 2 second break and they start hurling around fireballs.
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Oct 27, 2020 22:09
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Jacob's ladder chat reminds me of my last year in college making one out of a power cord, a microwave transformer, a wood block, and two pieces of welding rod with a few classmates. In retrospect that was very OSHA and our instructor probably shouldn't have encouraged us
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Oct 27, 2020 23:20
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krinklechip posted:Open question becomes will K2 and other peaks succumb to the same bullshit. I understand K2 is a _much_ harder climb, but rich people are really stupid when they're told they can't just do something through money (and in general, but hey.)
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Oct 27, 2020 23:27
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evil_bunnY posted:The thing with K2 is that it's not just hard, it also just kills at will, with little predictability. You can be the hottest of mountaineering poo poo or some dweeb with money who ran his first marathon a couple years ago and there's just no telling which one of you K2 will take. Sounds good. Send in the rich ones first.
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Oct 27, 2020 23:35
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Elviscat posted:High voltage underground cables, with their higher installation cost, much larger material usage, and eminent unrepairability are not actually that awesome. Bonus fun: up until the 70s and 80s one of the most common insulating solutions for high voltage cable was lead-encased kraft paper (the paper is soaked through with PCB) https://electricenergyonline.com/energy/magazine/88/article/PILC-cable.htm
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Oct 27, 2020 23:56
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https://i.imgur.com/yTbDPfa.mp4
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Oct 28, 2020 00:41
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That's some drat fine work.
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Oct 28, 2020 00:43
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nutted but they keep succin
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Oct 28, 2020 00:43
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The K2 story that always sticks with me is Peter Hillary's story about choosing to turn back just a few hundred meters below the summit - heading back to camp alone while a group of six other people were a bit of a ways ahead and pressing on towards the top, and the guy just next him decided to go a bit further and see how the weather was doing. None of the other seven made it off the mountain alive.
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Oct 28, 2020 00:51
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Jabor posted:The K2 story that always sticks with me is Peter Hillary's story about choosing to turn back just a few hundred meters below the summit - heading back to camp alone while a group of six other people were a bit of a ways ahead and pressing on towards the top, and the guy just next him decided to go a bit further and see how the weather was doing. Isn't it more accurate to say none of them made it off the mountain at all? I thought they all got smashed off the ridges by insane winds and were never recovered.
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Oct 28, 2020 01:09
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K2 is much more remote, and actually does require climbing skill. And people can only climb it in the height of the summer. K2 is legit not a place I can find a reason to go. I just love my wife and kid too much to put them through the
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Oct 28, 2020 01:16
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| # ? Jun 3, 2024 19:05 |
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 At 4:20 a.m. an Atlas rocket carrying America's first interplanetary spacecraft lifted away from Cape Canaveral, Florida. The Mariner mission was to fly past Venus and return data on the planet's atmosphere, magnetic field, charged particle environment and mass. Mariner 1, the first of ten Mariner spacecraft, was based on the Ranger craft designed to gather data on the moon. It consisted of a hexagonal base, 1 meter across and a third of a meter thick, which contained the magnesium chassis housing electronics for experiments, communications, data encoding, computing, timing and attitude control, as well as the attitude control gas bottles and a rocket engine. On top of the base was a tall pyramid-shaped mast on which the science experiments were mounted, which brought the total height of the spacecraft to 3 and a half meters. Attached to either side of the base were rectangular solar panel wings with a total span of 5 meters. Attached by an arm to one side of the base and extending below the spacecraft was a large directional dish antenna. A major problem in the early 1950's was that liquid rocket engine ignition reliability was less than 50 percent. To confirm all engines were functioning correctly Atlas rockets had a unique arrangement referred to as a stage-and-a-half. Upon launch all three main engines, two boosters and one sustainer (and two small maneuvering rockets), are ignited and lift the rocket to an altitude of about 35 miles. At that point the outer boosters shut down and are jettisoned, while the central sustainer engine continues to run. Previous missions had used basically the same launch system, so it was reasonably well-tested. The two Ranger probes had made it into orbit, but had been unable to stabilize themselves afterwards. Mariner's Atlas-Agena rocket was aided by two radar systems, designed to monitor velocity (the Rate System) and distance/angle (the Track System) and to send the data to ground-based computers. By combining that data, the computers at Cape Canaveral helped the rocket maintain its trajectory. Part of the problem involved in handling two separate radars was a ~40 millisecond delay between the two radars' reports. To correct for the timing the data was ran through a formula by the ground computer. Unfortunately, when that formula had been input onto the computer's punch cards an element called an overbar, ‾, was omitted. The overbar indicated that several values in the formula belonged together; leaving it out meant that a slightly different calculation would be made. The hyphen had been missing on previous Atlas flights but that portion of the code had not been needed. Atlas vehicles flew on autopilot only during the initial booster phase, the guidance system would activate following booster cut-off to steer the sustainer engine. When the rate signal received by the rocket became weak and noisy, the rocket lost the lock on its guidance source. The rate-beacon malfunction occurred 93 seconds after launch, when the booster phase was still in progress, and so did not produce an immediate effect. This should not have been a fatal blow as this possibility had been foreseen; in the event guidance was lost the computer was supposed to reject spurious data and proceed on a stored program, which would probably have resulted in a successful launch. But, because that overbar was missing, the ground receiver was incorrectly accepted as the beacon. The computer fed the rocket 'hard left, nose down' and the vehicle obeyed. Watching in horror, the Range Safety Officer saw that the rocket was now headed for a crash-landing, potentially in Northern Atlantic shipping lanes or in an inhabited area. The destruct command was sent 294 seconds after launch and 6 seconds before separation, after which the vehicle could not have been destroyed. The bug was identified and fixed rapidly, though the failed launch cost $18,500,000, around $150 million today. Work immediately began to launch another spacecraft before the end of the 50-day Venus window on September 10'th. Fortunately for NASA Mariner 2 was waiting in the wings. An identical craft, it launched five weeks later, on August 27'th, 1962. The problem was called "the most expensive hyphen in history."
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Oct 28, 2020 01:17
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