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I've never even seen a non-pet rat in my life but I'm more of a gerbil person myself you would think I'd be a guinea pig person but you'd be wrong!!!
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Mar 3, 2019 00:35
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Rodents of usual size? I'm bitchy about where they exist!
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Mar 3, 2019 00:49
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BattleMaster posted:I've never even seen a non-pet rat in my life but I'm more of a gerbil person myself I also have never seen a wild rat. I've seen a mouse or two. The only rats I've seen were the ones we had as pets.
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Mar 3, 2019 01:05
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BattleMaster posted:it's too cold for them and yet they apparently inhabit all of yukon
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Mar 3, 2019 01:06
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Cojawfee posted:I also have never seen a wild rat. I've seen a mouse or two. The only rats I've seen were the ones we had as pets. Even in Toronto I once saw a mouse on the track level of the subway and a couple of times I've seen mice on the street at night but never a rat. Even if you're not a rodent fan you'll know a rat when you see it. I'm sure they're out and about though. Though maybe I'm just sheltered from the pestilence because I'm still not sure if cockroaches are supposed to look more like grasshoppers or beetles because I've seen depictions of them that look like either, but never in person. zedprime posted:I'm sincerely sorry we can't produce omniscient maps of rat existence to downplay the Albertan rat propaganda. it's just that the northern borders of that range map seem to have some nuance to them but I feel like a perfect alberta-shaped hole is not correct
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Mar 3, 2019 01:10
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Cojawfee posted:I also have never seen a wild rat. I've seen a mouse or two. The only rats I've seen were the ones we had as pets. I never did in Montana, but they nest in urban Oregon, apparently. I'm convinced that's how my roommate's cat disappeared. The other cat brought a dead one home, and it was easily the same size as the cat.
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Mar 3, 2019 01:12
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It’s Alberta’s proudest achievement. Just let them have it. They’re damning themselves with faint praise anyway.
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Mar 3, 2019 01:45
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BattleMaster posted:Even in Toronto I once saw a mouse on the track level of the subway and a couple of times I've seen mice on the street at night but never a rat. Even if you're not a rodent fan you'll know a rat when you see it. I'm sure they're out and about though. The map shows the number of reported earlier infestations by province. There are warehouses etc in the Yukon and NWT where rats can live and they often need to be reported if caught, especially in facilities handling food. If there are zero reported infestations in Alberta and at least one in each other province the chart is correct.
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Mar 3, 2019 02:01
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When you think about it, an ultraprecise map would show only the bodies of the rats. At a global scale, that’s indistinguishable from no rats anywhere. For my next feat: a population density map should depict only dwellings. No one lives in the middle of Fifth Avenue.
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Mar 3, 2019 02:10
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Moist von Lipwig posted:The map shows the number of reported earlier infestations by province. There are warehouses etc in the Yukon and NWT where rats can live and they often need to be reported if caught, especially in facilities handling food. If there are zero reported infestations in Alberta and at least one in each other province the chart is correct.  I don't think that's what it's describing because then there wouldn't be wavyish borders in Alaska, Nunavut, and Russia, and there are also no numbers on it
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Mar 3, 2019 02:13
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Man, Norway has taken a real beating the last couple pages.
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Mar 3, 2019 02:14
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This might be of interest. As far as I know, this is the only publicly-available photograph of plutonium tetrafluoride in existence. There's a man named Martin Pfeiffer who is currently in the last throes of a PhD in the anthropology of nuclear weapons, who has a modest budget for FOIA requests and has networked himself a decent little group of contacts in the nuclear weapons-adjacent industries. The photographer, who will remain anonymous at the moment, comes well credentialed to confirm that they took a photo of this hell-powder to assist Martin with his studies. I contacted Martin at his Patreon to confirm I had his permission to post this, and if you want to check out what he's up to you can find his page here: https://www.patreon.com/nuclearanthro/overview He also has a very thread-relevant twitter feed here: https://twitter.com/NuclearAnthro
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Mar 3, 2019 02:51
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Memento posted:This might be of interest. Looks like some serious cocoa powder.
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Mar 3, 2019 02:54
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Does the USA still manufacture plutonium for nuclear weapons? Or do we just reuse the stuff from old cores whenever we need to make new ones? Like, I can't imagine that the cores would just get sealed up and buried or whatever, but at the same time there isn't much use for it other than bombs. Can you just melt it down and reuse it, or does it have a shelf life? Sagebrush fucked around with this message at 03:00 on Mar 3, 2019 |
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Mar 3, 2019 02:58
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Sagebrush posted:Does the USA still manufacture plutonium for nuclear weapons? Or do we just reuse the stuff from old cores whenever we need to make new ones? They quit for a long time, but they've started up again because NASA needs it for nuclear thermoelectric generators on its space probes.
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Mar 3, 2019 03:03
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Baronjutter posted:His boots remain underground to this day... I am a geotechnical professional and this video owns. withak fucked around with this message at 03:08 on Mar 3, 2019 |
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Mar 3, 2019 03:06
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Sagebrush posted:Does the USA still manufacture plutonium for nuclear weapons? Or do we just reuse the stuff from old cores whenever we need to make new ones? The half-life of Pu-239 is long enough that the core can just be taken out of old weapons and used in new ones for a very long time, so unless there are plans to increase weapon stocks no more will need to be made and supposedly not very much of it is being made anymore. The part of the weapons that have to be continuously manufactured to maintain or build new weapons is the D-T secondary stage, and projects like National Ignition Facility exist to test those without having to detonate real nuclear bombs. There are concepts for getting rid of unwanted Pu-239 by diluting it with depleted uranium ("mixed-oxide" or "MOX" fuel) so it approximates the properties of enriched uranium for reactor use but I don't know how much of that has ever been made and burned.
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Mar 3, 2019 03:06
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Memento posted:This might be of interest. What about it? Googling plutonium tetrafluoride just brings up chemistry websites.
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Mar 3, 2019 03:06
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Deteriorata posted:They quit for a long time, but they've started up again because NASA needs it for nuclear thermoelectric generators on its space probes. Is that so? It's good because Pu-238 RTGs are a pretty valuable tool for space probes and I was worried those would no longer be a thing with the lack of fuel production. Here's an article from december about it - as of last year NASA is just about out of it so the sooner production resumes the better Though Pu-238 isn't made in the same way as Pu-239 so there isn't any overlap in weapons programs and RTG fuel programs. Pu-239 can be separated from reactor fuel waste or made by irradiating depleted uranium with neutrons and then chemically-separating it, while Pu-238 is made from neutron irradiation of certain waste isotopes from reactor fuel. BattleMaster fucked around with this message at 03:14 on Mar 3, 2019 |
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Mar 3, 2019 03:11
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Do any of the US weapons still use polonium in the initiators, or have they all gone to fusion-based ones?
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Mar 3, 2019 03:14
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The Lone Badger posted:Do any of the US weapons still use polonium in the initiators, or have they all gone to fusion-based ones? It's my understanding that Po-Be initiators stopped being used decades ago and the current tech is based on electrostatic acceleration (so presumably fusion, since that's the easiest way to get neutrons out of an accelerator)
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Mar 3, 2019 03:20
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BattleMaster posted:it's too cold for them and yet they apparently inhabit all of yukon I'm not from Alberta but a jurisdiction taking steps to prevent an invasive species from causing problems seems like a good thing and I dunno why you're so mad about that.
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Mar 3, 2019 06:34
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RPG Starting Town NPC posted:Howdy! You like the adventuring type, I have a little quest for you if you have the time, nothing big. You see, we've got a little issue down in the basement, a bit of an infesta..... uh, you wouldn't happen to be from Alberta would you?
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Mar 3, 2019 06:56
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https://www.youtube.com/watch?v=n8nLwyXu5g8&t=23s
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Mar 3, 2019 10:16
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BattleMaster posted:It's my understanding that Po-Be initiators stopped being used decades ago and the current tech is based on electrostatic acceleration (so presumably fusion, since that's the easiest way to get neutrons out of an accelerator) Some of the US nukes are decades old though.
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Mar 3, 2019 11:52
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jemand posted:If you do not use the nitrite salt, you get botulism cured meats which is nice and osha on its own. A traditional christmas food in Finland is the ham and christmas ham in finland is often different because it's only salted and thus grey. The ham can be bought in stores, but loads of people cure their own hams. It's then oven baked to some temp, depending on your tastes.
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Mar 3, 2019 14:39
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Soyuz needs OSHA.
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Mar 3, 2019 14:44
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Cojawfee posted:What about it? Googling plutonium tetrafluoride just brings up chemistry websites. Yeah, wondering this too.
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Mar 3, 2019 17:12
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It's four times as bad as plutonium fluoride.
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Mar 3, 2019 17:17
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Thumposaurus posted:Beginning of this starts slow but soon they start showing the wonders of this new discovery asbestos! rofl @ 0:45 "the rush started. White men, Back men, and Chinese coolies came to pan gold 
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Mar 3, 2019 17:30
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His Divine Shadow posted:A traditional christmas food in Finland is the ham and christmas ham in finland is often different because it's only salted and thus grey. The ham can be bought in stores, but loads of people cure their own hams. It's then oven baked to some temp, depending on your tastes. Interesting. The botulism toxin itself is destroyed by heat, maybe this method is safe because of the traditional oven baking afterward? Apparently only 5 minutes at 185°F is enough, per wikipedia, but I don't know the relationship of heat vs. time on this, lower temp for longer might be fine, to a point. Salt-only corned beef is also a thing, apparently, but since this is often boiled before eating, the same principle applies. The toxin is a very different thing than spores-- such low temperatures would never kill spores and food not immediately eaten afterward would then get dangerous over time as the bacteria grew. The toxin is what's deadly though, for adults at least, so destroying it via heat prior to eating the food would be fine. But infants who eat spores can have them germinate in the digestive tract and produce toxin right there (this is why babies under 1 shouldn't have honey). Perhaps also there's a higher salt content in the first place? Something closer to traditional salted meat than modern cured meat, which may also explain it. Anyway, this has caused me to read up about historic meat storage techniques again, and the different health recommendations in different nations. While the US seems to primarily highlight avoidance of botulism risk and stress using nitrites to do this, that doesn't seem to be universal. Other botulism notes: beware garlic infused oils-- the garlic itself in such a case can provide a place for the bacteria to grow & produce toxins. These oils thus should be refrigerated and have a short shelf life. Also, in the event you ever wish to follow a traditional native Alaskan recipe for fermented meats, never use a plastic or glass container, go all in on the historical method of "grass lined pit." https://www.cdc.gov/botulism/botulism-alaska-foods.html
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Mar 3, 2019 17:40
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Nice to read this as the spacex capsule just makes it’s first successful ISS docking (unmanned).
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Mar 3, 2019 17:41
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bring back old gbs posted:rofl @ 0:45 I have a phobia of Back men
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Mar 3, 2019 17:42
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jemand posted:Interesting. The botulism toxin itself is destroyed by heat, maybe this method is safe because of the traditional oven baking afterward? Apparently only 5 minutes at 185°F is enough, per wikipedia, but I don't know the relationship of heat vs. time on this, lower temp for longer might be fine, to a point. Salt-only corned beef is also a thing, apparently, but since this is often boiled before eating, the same principle applies. The toxin is a very different thing than spores-- such low temperatures would never kill spores and food not immediately eaten afterward would then get dangerous over time as the bacteria grew. The toxin is what's deadly though, for adults at least, so destroying it via heat prior to eating the food would be fine. But infants who eat spores can have them germinate in the digestive tract and produce toxin right there (this is why babies under 1 shouldn't have honey). Fun facts: there's bacteria that survives our sterilization procedures in hospitals! Ok, that's not the whole truth. The reality is it's that hot spring bacteria, and it goes dormant at human body temperatures. We're too cold for it to harm us.
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Mar 3, 2019 17:52
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Cojawfee posted:What about it? Googling plutonium tetrafluoride just brings up chemistry websites. Lemme throw up some scans of my all-time greatest ever thrift store score and maybe the chemists among you will find answers within.                (USER WAS PUT ON PROBATION FOR THIS POST)
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Mar 3, 2019 17:57
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shame on an IGA posted:Lemme throw up some scans of my all-time greatest ever thrift store score and maybe the chemists among you will find answers within. Yes, and you call them scans despite the fact that they are obviously phone camera photos.
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Mar 3, 2019 18:05
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Does exposure to plutonium tetrafluoride cause autism?
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Mar 3, 2019 18:09
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Nenonen posted:Does exposure to plutonium tetrafluoride cause autism?
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Mar 3, 2019 18:30
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shame on an IGA posted:Table 12.15: Solubility of PuF3 in HNO3-HF mixtures 
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Mar 3, 2019 18:30
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Nenonen posted:Does exposure to plutonium tetrafluoride cause autism? I mean it's neat, but, uhmm, I think there's a chemistry thread in the academic subforum. I think, where it might be appreciated better.
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Mar 3, 2019 18:59
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