Nojay

Nojay

  • Commented on Covid on Mars
    but thinking that a valve is open when it is closed is still something that can kill you. Something I noticed a while back -- the burner/oven controls on our gas stove rotate less than half a turn (maybe...
  • Commented on Covid on Mars
    Freezer space. You can store of lot of doses of an mRNA vaccine in a single -80 deg C freezer if you pack and dispatch it in small concentrated vials and have the contents diluted at point-of-use with saline before...
  • Commented on Covid on Mars
    The slug-driver owners are Asteroid Belter Buddhists with enough intra-Solar-system capabilities to have built their own version of Rama (but without the interstellar drive at the far end). They normally use their linear accelerators to move cargo around the Solar...
  • Commented on Covid on Mars
    Jack Cohen co-authored an SF book with Ian Stewart, 'Wheelers' about First Contact where it was necessary to get a human resource from Earth orbit to Jupiter orbit in ten days or so and it was achieved without actual miracle...
  • Commented on Covid on Mars
    My main struggle with this scenario is how does a coronavirus survive either 6 months in transit outside a human host I read a report about someone in China who apparently caught COVID-19 from handling plastic-wrapped frozen pigs heads imported...
  • Commented on What happens now?
    you have a bunch of fully-amortized 1950s vintage B-52Hs based on friendly soil Being pedantic to be a pedant -- the H-variant of the B-52 is a 1960s vintage aircraft. AFAIK all earlier versions of the B-52 have been retired...
  • Commented on What happens now?
    $GIO(4480) to lock the storage bus and $GIO(4400) to unlock it. Strange what we remember. DEBUG G=C800:5 The start point for a low-level format of an MFM drive on an IBM PC. I typed that in a lot on the...
  • Commented on What happens now?
    The Russians have ports and people living year-round on their northern coast facing the Arctic Ocean. It's one reason they're best positioned to exploit oil and gas discoveries in that area while everyone else is proposing drilling rigs a thousand...
  • Commented on What happens now?
    Yes, he would like the USA to attack Iran, because that would drive Iran into a closer alliance, and he might well get naval basing rights on the Persion Gulf out of it. Oh noes! Russia would get a warm-water...
  • Commented on Submarine coming through!
    There's also the used market, if older EVs get into a price range I could afford*, The battery keeps the price of a usable second-hand EV high. If the car's really cheap the battery is toast. It costs thousands to...
  • Commented on Submarine coming through!
    This thread has sort of established that an electric car battery is 400kg. The EV batteries run to about 200Wh per kilogram after support structures and anti-fire barriers are taken into account. the 400kg battery is for a high-end pure...
  • Commented on Submarine coming through!
    Schools being closed in the summer of 2020, the disruption to exams and the knock-on effects of that kerfuffle almost cost the governments their place in power. Governments can only provide political solutions to people problems and schools cannot close...
  • Commented on Submarine coming through!
    Electric cars like Teslas have liquid cooling for the motors and control circuitry as do most "performance" EVs that can sustain 100km/h for an hour or two on a motorway. It's all energy and it all ends up as heat-death-of-the-Universe...
  • Commented on Submarine coming through!
    The GAU-8 would only be loaded out with 50% or 100% DU rounds if the mission profile said there are Main Battle Tanks in the indicated patrol area. DU rounds are overkill for buildings, light vehicles etc., a lot less...
  • Commented on Submarine coming through!
    Agent Orange is a biochemical defoliant, its toxicity is known now. Depleted Uranium (DU) which is what kicked this discussion off, before you mentioned AO, is supposed by many to have all sorts of after-battle bad effects. The evidence doesn't...
  • Commented on Submarine coming through!
    The US pumped thousands of tonnes of biological defoliants over thousands of square kilometres of random countries during the Vietnam war, a process requiring thousands of US service people to handle and dispense the stuff with 1970s levels of safety...
  • Commented on Submarine coming through!
    Vapourised/molten uranium rapidly coverts in atmosphere to particulate uranium oxide which rapidly drops to the ground because it's a lot denser than air. Unless someone is in very close proximity to a DU projectile strike then they will not breathe...
  • Commented on Submarine coming through!
    electric cars average around 3-5 kWh/mile Actually, most electric cars manage about 5km per kWh (high-end Tesla, 80kWh battery pack, range ca. 400km on a single charge). Some minimalist EV cars do a bit better than that but not much...
  • Commented on Submarine coming through!
    Um, about uranium: radiation, ok... but then there's this thing called heavy metal poisoning. Most heavy metals are biologically inert or not very harmful. It's the light metals, in both density and atomic number that are really dangerous to you,...
  • Commented on Submarine coming through!
    Most of the forty-three radiation fatalities from the Chernobyl explosion were ascribed to ingestion of I-131 via milk and other food products resulting in untreated thyroid cancer. The hotter the waste the more dangerous it is ('Russian tea' aka Po-210...
  • Commented on Submarine coming through!
    The thorium breeding cycle has less long lived waste, because it does not produce much in the way of transuranics - a very long chain of captures-but-not-fission events has to happen to get any, which means the only things in...
  • Commented on Submarine coming through!
    Thorium is not fissionable, basically. The thorium boosters rarely if ever mention that in their 'give us money, we have Ph.D.s to feed!' PowerPoint presentations and TED talks. In reality a 'thorium' reactor is a breeder reactor, turning Th-222 into...
  • Commented on Submarine coming through!
    Interesting technology announcement from China -- it's a freight-carrying version of an existing high-speed EMU trainset, capable of moving rail cargo at 350km/h. https://www.youtube.com/watch?v=mVcaZHBx_qE It looks to be based around air cargo freight modules and may be interchangeable with them....
  • Commented on Submarine coming through!
    You might want to consider balloon-based or even kite-based cameras rather than quadcopters for that sort of task. A reasonably-sized helium balloon will lift a 200-gram package of camera, transmitter and batteries while tethered by a light line a couple...
  • Commented on Submarine coming through!
    Re: ' ... put engineering along with housekeeping on the high priority list.' They probably realized this when they needed to figure out how to expand and maintain their ICU capacities. There were reports in the Press yesterday that an...
  • Commented on Submarine coming through!
    The cold chain infrastructure built out for the Pfizer vaccine will work for future mRNA vaccines which are going to be the Next Big Thing in medicine (Nobel Prizes all round!) after the current drama subsides. Having that cold-chain in...
  • Commented on Submarine coming through!
    In other interesting news the Chang'e-5 Lunar sampling mission's return capsule was opened today and the sample container removed. The container has, apparently, about 1700g of sample material aboard. A good haul....
  • Commented on Submarine coming through!
    There was a good Photoshop done a couple years back, of a flooded street somewhere in the US with a submarine conning tower sailing merrily down the middle of the road. Here's a picture of the lifting operation that put...
  • Commented on So you say you want a revolution
    Moon news -- the Chang'e-5 lunar sample mission has successfully, it appears, returned a lunar sample to Mongolia. Pictures on Youtube, if you want to have a look. This os only a couple of days, of course, after the Hayabusa...
  • Commented on So you say you want a revolution
    You could just show them episodes of "The A-Team". The show runners expended amazing amounts of ammunition and blew up dozens of cars, trains, orphanages, maternity hospital etdc. and nobody ever got hurt. For another "nobody got hurt" kid's TV...
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