Jump to content

Madelaine McMasters

  • Content Count

  • Joined

  • Last visited

  • Days Won


Everything posted by Madelaine McMasters

  1. Hi January, Your primary risk from an air conditioner is directly from the mold, fungus, or bacteria that might grow in it. That risk is low and hasn't changed because of COVID-19. Most molds, fungus, and bacteria are harmless. Some are delicious. Molds and fungi can cause respiratory problems, so an icky air conditioner could exacerbate an existing COVID-19 infection, but not cause it. I change my furnace filter every three months. The ductwork hasn't been cleaned in... 70 years, and doesn't look dirty enough to need it (you do stir up a lot of junk during a duct cleaning, so that's not a risk free endeavor). Viruses are not living organisms and are not cellular. They replicate by hijacking the cellular machinery of living organisms. For that reason, they cannot replicate on or in dead things. Mold is not a dead thing, so it's possible for viruses to grow in them. Fortunately, the mechanics of various living organisms are sufficiently different that it's usually not possible for a virus to replicate in any organism other than the one it evolved to infect. A virus that infects a mold would not infect a human. Even viruses that infect other mammals usually do not infect humans. COVID-19 is an exception, infecting both bats (the theorized source) and us (the unfortunate destination). Though viruses can't replicate without a living host cell, they can survive on their own. This is why we're now wiping down commonly touched surfaces. Viruses are not growing there, but they can lie dormant for some time. Viruses exposed to oxygen, ultraviolet light, or any number of chemicals (alcohols, acids, alkalies, etc.) will be damaged to the point that they, even if introduced to a living organism, will no longer infect. Counterintuitively, COVID-19 can survive for days on surfaces we think of as "sanitary" like plastics and stainless steel. This is because those surfaces are chemically inert. They don't provide nutrients or safe harbor for mold, fungus, or bacteria. That's good. They are also chemically inert, and therefore don't damage viruses that come into contact with them. That's not so good. People have expressed concern about eating fresh produce that may have been handled by someone infected with COVID-19. There is, so far, no evidence of infection being conveyed in that manner. The surfaces of foodstuffs are fairly hostile to viruses. That said, I'd still recommend rinsing fresh produce before consuming it raw. Because food packaging is purposely designed to be "sanitary", that's where you should focus the most care. The boxes and bags containing our food are probably more hospitable to viruses than the food inside. So, wipe down the box your food comes in, carefully remove food from bags. Wash your hands after unwrapping food and before touching or eating it. This reduces the potential for you to transfer COVID-19 from the package to the contents. If you are sequestered in your home and are cleaning things that enter it (food, your hands, etc), there's no reason to be wiping down every door knob and drawer handle. Just wash those (like your entry doorknob) that you touch with unwashed hands. COVID-19 can't start spreading around your house until it gains entry. Focus on keeping it out by washing your hands and anything they've touched before washing, whenever you return home from the wild. Now, back to your first question. I don't think we know how the first virus evolved, but they've been around about as long as there have been cells to be infected by them. The COVID-19 virus started as a mutation of some other mammalian virus that wasn't infectious to humans. There have already been numerous mutations detected in people around the world, but I've not yet read of those mutations corresponding to any significant difference in infectiousness or severity of illness. You may not need to do all the cleaning you've set out for yourself, but if it's making you feel better, have at it!
  2. View the Wind Vectors. In "broken" regions, all vector lines are parallel and of equal length. They will change direction and length over time, but they do so in unison. In "working" regions, the vectors move somewhat independently. I just visited a region that had two wind nulls with counter rotating winds building around them. This is the behavior that generates the curved and forked tails in my particle clouds. I've witnessed my cloud grow three tails, so I know regions can have at least that many little weather systems in them.
  3. I also learned about the SL wind via scripting long ago, creating a wind vane for my little island hut. It wasn't until I constructed a large radius particle emitter (which required a "trick" in the creation of particle textures) that I noticed the winds were variable across the region. You can see this variance by going to Developer->Render Metadata->Wind Vectors. Then move your camera so it's looking straight down and cam back until you see the little red vector lines (I inverted the image for my OP). If you're in a region with intra-region variable winds, the vectors will point in various directions with varying lengths (velocities). If you're on a region with a uniform wind, all vectors will be equal length and pointing in the same direction.
  4. It's possible the wind is entirely viewer side, though the way it works appears sim/region dependent. I toggled "FixedWeather" and, as expected, nothing changed. All the regions in the vicinity of Dreamland North have the "problem". Mainland regions don't. I wonder if this is a private estate/mainland distinction. ETA: You're right Ardy, Perry's winds swirl "correctly".
  5. Hi Kids!!! Long, long ago, I built a one prim contemplation spot that depends on the intra-region variability of the SL Wind to create soothing (for me) and interesting motion in clouds of particles. I enjoyed it for years at Forgotten City until something broke, and the wind blew uniformly across the entire region. My beautiful meandering cloud of stars became a boring, constant, unidirectional stream. I thought this was a system wide change, perhaps made by LL to conserve some tiny server or viewer CPU load. A few years ago, I rezzed my prim in a sandbox and was thrilled to find it working properly. Yesterday, I rezzed it at "The Far Away" and found it "broken" once again. I immediately popped over to Ivory Tower and rezzed it, where it works just fine. I enabled rending of the Wind Vector metadata in both sims and saw what I expected. The image below shows vector data from The Far Away (left side) and Ivory Tower (right side). You can see the difference. And that makes all the difference in the world. I imagine regatta sailors would notice this, as regions with uniform wind would feel much different than those where they are highly variable in time and space. Do any of you know if wind variability across a region is something that can be turned on/off by sim owners in some little known corner of an interface somewhere? ICKY WONDROUS To see why I'm so interested in this, here's a demo video of my particle cloud on a region with variable winds... Rather than watch the entire five minutes, drag through the timeline to see a mini time-lapse.
  6. I might vote for Perot again. I know he's dead, but that looks like an advantage these days.
  7. I was briefly amused by the Church of the Flying Spaghetti Monster until I saw a video of their participation in a parade. They were carrying signs denigrating quite a few religions. I lost interest after that and got my $30 ordination kit from Universal Life. I've been asked to perform a RL wedding this summer. If COVID-19 doesn't nix it, that'll be fun.
  8. Step aside my pretty, you got nuthin' on meeeee....
  9. I identify as nefarious, and present as such here in SL. I don't have preferred pronouns, but I do have preferred adjectives like adorable... and terrifying,
  10. Is this the practice of engaging in discussions with multiple partners of different political persuasions? That sounds even more awkward than sex.
  11. Let me reword that in a way that more accurately expresses how the dynamic should work... "I have had one other Master in my past and I did not allow him to deny me a life apart from him."
  12. Even the threat of "don't leave the building" can be considered a felony.
  13. We'll know in a month. If the religious activities of the South Korean Shincheonji church are a harbinger, there will be some interesting public discussions ahead. I'd like to think that reckless behavior in service of "belief" will sort itself out, but belief might be more virulent than COVID-19. ETA: I should point out that the beliefs in play here are a mix of faith in the goodness of something supernatural, and faith in the badness of government and/or science. I really can't say which of those is the prime mover.
  14. I think I read in a previous post of yours that the landlady locked the building doors so nobody could enter/exit. Blocking egress from a building is a clear violation of fire code. From the exchanges you've described, I could also believe the landlady's behavior rises to the level of a felony. The police are always happy to stop felonies.
  15. Some can't wait... https://wgntv.com/news/coronavirus/louisiana-church-hosts-more-than-1800-people-amid-covid-19-outbreak/
  16. What I heard on NPR was Trump saying he "hopes" to start things back up by Easter. In two weeks, we'll have a much better idea where Italy and the rest of the world are headed, and who we're tracking most closely. If that doesn't look good, I imagine Trump going day-to-day in considering flipping the switch back on. Making a mistake that requires a massive backtrack is not in his best interests.
  17. Affinity Photo should be familiar to PS users, though not quite as capable. The UI is similar, as is the way the various tools work. I switched from PS CS6 when Adobe went to a subscription sales model. I'm a Mac user and use both Pixelmator Pro and Affinity Photo. Which I use depends on what I'm doing. For multi-layer work, or to continue work on complex old CS6 projects, I use Affinity Photo. For quick hit-and-run edits and composites, I use Pixelmator Pro.
  18. I'm bit confused about this. There's not a tradeoff, but there is... kinda? I think we're generally in agreement here, Qie. My problem with discussing this tradeoff as either-or is that it's ignoring a lot of complexity. China seems (still too early to know for sure) to have achieved containment with less economic damage than some are anticipating here. If it's truly either-or, how'd they escape our choice? Kobayashi Maru? My New Deal example comes from a vague recollection of reading about the termination of government programs in Montana as funding was shifted to the Tennessee Valley Authority. I wish I could recall the book, but it made a compelling argument for the miscalculation of "benefit" that occurs when a focused (in space and time) event comes at the expense of a diffuse one. The newspapers of that time were filled with stories and photographs of bridge construction projects that, while helpful, might not have provided as much overall benefit as smaller and more widespread efforts. Those small, distributed, longer term benefits would never be as photogenic as the big projects, nor satisfy the public desire for immediate results. We've got limited ability to ramp up the care system, so the onus is on mitigation via isolation. That too has a cost, possibly with a very long tail. If we entered a depression because of a six month stoppage in our economy, it would be reasonable to wonder if the decline in standard of living would result in "invisible deaths" spread across the nation and across a decade. It would also be reasonable to wonder if China, or any other nation that recovered more quickly, might obtain a durable competitive advantage as a result. Anyone who's studied compound interest (another exponential growth function) understands how exquisitely sensitive it is to the exponent. This is the New Deal argument in reverse, with a very public and immediate downside (deaths) being weighed against a more distributed and invisible upside. To be fair, there is also a very visible immediate upside in the restarting of businesses. We'll have flare-ups until a vaccine is available, but the theory is that those will be better contained because we're better prepared now. On another note, I'm curious about Andrew Cuomo's pleas for more ventilators. He's blasted FEMA for sending only 400 when he projects a need for 30,000. The entire US contains only 200,000 ventilators. FEMA hasn't got 30,000 to give and NYC isn't the only place that needs them. Ford, if they build any, won't have them ready for months. This was a problem that needed to be addressed years ago. Someone might argue it's not a problem at all. Stockpiling for the worst case also has a cost. ETA: I was wrong about the FEMA ventilator stockpile. I just read that they have have up to 20,000 in reserve. That changes the dynamic between FEMA and NYC and wants an explanation for holding back. I imagine those things can be moved around as necessary, so it seems possible to deploy the entire stockpile and relocate as necessary.
  19. I'm having a very hard time getting my brain to stay with the idea that you are referring to friends, Gadget.
  20. As you've stated, we don't know. Regarding mutations, many have already occurred. AFAIK none of them have shown significant difference in virulence and we don't know if the mutations allow the virus to evade detection by antibodies produced for another strain. We also don't know the half life of COVID-19 antibodies. The fastest way to determine whether herd immunity will develop is to step back and let COVID-19 progress unfettered. We're not gonna do that. Perversely, anything we do to constrain the virus also constrains our ability to determine just what it will do if not constrained.
  21. This would actually be good news, if true. The greater the unnoticed to noticed ratio is, the less severe COVID-19 is, and the greater the already established herd immunity. Until we start sampling populations for antibodies, we won't know that ratio unless we reach a point somewhere that, absent any attempts to control the spread, the virus dies out on its own. At that point, herd immunity is the likely explanation, and we'll have a good handle on morbidity and mortality rates.
  • Create New...