Nojay

Nojay

  • Commented on Crying fire in a crowded theatre for pleasure and profit
    A primary cause of the Cuban Missile crisis back in the early 60s was the presence of US nuclear-armed intermediate-range Thor and Jupiter missiles in Italy and Turkey. The US refused requests from the USSR to remove these missiles and...
  • Commented on Catching Up
    Science as taught in schools is not like that. As Robert pointed out (comment 643), his school's chemistry department teaches electrons are in orbits, contradicting the physics department Valence shells are not orbits. The billiard-ball electron model was not one...
  • Commented on Crying fire in a crowded theatre for pleasure and profit
    I am not enough of an academic or student of the field to speak on the subject with any sort of authority but I have thought for some time that higher or tertiary education (ObUS: post-K12) is structurally broken. The...
  • Commented on Catching Up
    It's a common story, a new technology appears, everyone jumps aboard and tries every variant on a "throw it against the wall and see what sticks" approach. The history of power reactor design from the 1950s onwards is full of...
  • Commented on Catching Up
    The AGRs are impressive bits of kit, like a sports car from the 1980s, with very good efficiency resulting from operating at a high temperature. Sadly they have a failure mode that limits their absolute lifespan, a problem with accumulating...
  • Commented on Catching Up
    A decadal inspection is not simply a refuelling operation although they are usually done together since part of the inspection process will require the pressure vessel to be emptied of fuel and drained down. Normal refuelling-only inspections are more limited...
  • Commented on Catching Up
    In France most refuelling operations of their large reactor fleet occur during the summer when electricity demand is at its lowest, with long summer sunlight and less need for home heating. Modern operational knowledge and decades of practical experience means...
  • Commented on Catching Up
    In the UK vehicle owners (cars, trucks, buses, motorcycles) pay about UKP 35 billion to the government in taxes each year. That's made up of road tax (a variable tax on each vehicle depending on size, pollution factors etc.), fuel...
  • Commented on Catching Up
    Spain was steadily increasing its buildout of solar power up until 2014, when they basically kicked their industry in the nuts by gutting all the subsidies and taxing what existed. We have been told repeatedly over the past few years...
  • Commented on Catching Up
    None of the previous Acts of Parliament, judicial decisions and Royal proclamations you mention constrain Parliament from doing what it wants when it wants. Parliament goes along with the gag that Supreme Court decisions and judicial reviews of legislation are...
  • Commented on Catching Up
    Britain doesn't have a Constitution, it has a number of "it seemed like a good idea at the time" inherited principles and a lot more modern "make it up as we go along" fudges and handwaving going on. There are...
  • Commented on Catching Up
    and dodging that by calling an early one that everyone thought would be a Tory landslide - subverting her own party's fixed-term act to do so - was a distinct cheat. I though the Fixed Term Act was a LibDem...
  • Commented on Crib Sheet: The Nightmare Stacks
    How about a Nicoll-Dyson basilisk gun?...
  • Commented on Crib Sheet: The Nightmare Stacks
    Yet Bob could be sniped from a kilometre off and that's it, GOD GAME over for him. The Eater of Souls would be lost without a properly ritualised body to drive around in and blowing Bob's brains out would do...
  • Commented on Crib Sheet: The Nightmare Stacks
    The father of a friend of mine was involved with the preparation for the reception of the Blue Riband SR-71 into British airspace. The chosen Lightning was stripped of its weapons pylons, airspeed indicator etc. and then lovingly polished until...
  • Commented on Crib Sheet: The Nightmare Stacks
    Concorde flew in a different aerodynamic envelope (Mach 2, 20km altitude) to the SR-71 (Mach 3 in bursts, 30km altitude) which had other forms of thermal remediation such as active skin cooling. Technology has moved on though since then. Varieties...
  • Commented on Crib Sheet: The Nightmare Stacks
    I believe Concorde had to be painted white anyway Shame. There's a British company, Surrey NanoSystems that's been developing really black coatings. Their videos are very impressive -- Google for Vantablack....
  • Commented on Crib Sheet: The Nightmare Stacks
    It wouldn't have mattered -- the Host literally couldn't conceive of an elected democracy having any power or the common man having any influence on how society is organised and run. The idea of an All-Highest who is effectively under...
  • Commented on Crib Sheet: The Nightmare Stacks
    The good thing about mechanised warfare is that you can build giant[1] stockpiles of everything you need to execute it beforehand. Fuel, tyres, vehicles, ammunition, spare parts, mechanics, operators etc. can all be stacked high in your backyard ready for...
  • Commented on The World of Tomorrow
    Steam generators are basically similar but differ from reactor design to reactor design, and they're a lot larger than they used to be back in the 1960s as reactors are now a lot bigger and more powerful. A typical modern...
  • Commented on The World of Tomorrow
    Re: San Onofre -- boy howdy is that a mess. Pity it's not actually what happened... The "generators" are steam generators, they turn the heat of the pressurised primary water coolant into secondary steam that drives turbines. They usually last...
  • Commented on The World of Tomorrow
    Gas and coal plants are equally thermally efficient as nuclear and there are a lot more of them than there are nuclear reactors so I don't see why you're so down on only the thermal output of nuclear plants. Three...
  • Commented on The World of Tomorrow
    There's an old saying that people eventually do the Right Thing, but only after trying everything else. There's a certain logic to that, in that after you do the right thing you don't need to try other lesser options. It's...
  • Commented on The World of Tomorrow
    That's one of several reasons mercury fulminate isn't used in primers for commercial ammo and hasn't been for several decades. Lead styphnate was the material of choice when I were a lad. I've shot 40-year-old ammo (ex-WWII .303 cordite in...
  • Commented on The World of Tomorrow
    The first use of drones (by both sides, I think) was probably the Siege of Paris in 1871 when observation balloons were used to monitor troop movements and direct artillery fire onto targets. Oh, you meant *unmanned* drones? Why would...
  • Commented on The World of Tomorrow
    Rifle grenades are fired like mortars, with the butt of the rifle on the ground and the muzzle pointed up at an angle in the direction of the enemy. It is not a shoulder-fired system. As for crossbows, the arbalest...
  • Commented on The World of Tomorrow
    In general, 3D printers and related machines like CNC mills are notable for being slow, expensive, and producing rather substandard quality parts. That is rather a broad-brush statement. CNC tools are used a lot in production, making precise copies of...
  • Commented on The World of Tomorrow
    The AK47, for example, was designed so that pretty much anyone with basic shop skills could build and maintain one; that's one reason it's the tool of choice for impoverished warriors around the world. AK-47s are made in large well-equipped...
  • Commented on The World of Tomorrow
    Yes, the difference between kW and kWh is important, and he made it in his initial post. He gets three kW or more peak at noon on good summer days, 2kW on more cloudy ones. That suggests, assuming well-aligned fixed...
  • Commented on The World of Tomorrow
    Heteromeles was quite clear -- he is getting about 32kWh over the period of a day from his panel array, not 32kW output at any given time (I presume this is a near-peak summer output, not what he expects to...
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