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Megidolaon

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    astrophysics

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  1. So far I only read Physics of The Impossible, but it was very good. I have a lot of other stuff I'm reading now, but after that I'll get some more Kaku.
  2. I recently finished Peter F. Hamilton's Night's Dawn trilogy, followed by his Confederation handbook. And now I am about to finish A Second Chance at Eden, various short stories from 2070-2589 set in the same universe (actually a handfull cameos as well). After that I guess it's Leviathan Wakes. I guess I will read Hamilton's Great North Road but probably not for some time, I got too much other stuff for now. And one of these days I need to soem more Michio Kaku stuff, so far I onyl read Physics of the Impossible.
  3. Entropy is a **** =/
  4. Has someone actually turned energy into matter? How would that work? When creating antimatter you change the matter, you do not turn energy directly into matter, or?
  5. Just DO NOT USE MICROSOFT WORKFLOWN FOUNDATION! I am using it for 1.5 years at work and it's horrible, incredbly fragile and working with it is hell. Also, the workflow designer in visual studio tends to crash pretty often, has massive problems with rerferenced dlls which will cause runtime crashes and a workflow will terminate before an exception even occurss, making error hunting very time consuming. </rant>
  6. That is precisely the reason why it can never become an entity of its own. It's only comunication of people, do you think our words become conscious themselves?
  7. Oh didn't know bigger cores are still viable. And how do you manipulate the superposition without measurement? Cause if don't observe, I thought they are not in a fixed state. I don't think you can work with them like this. Yeah, After all the main point of quantum computers is their speed, the rest can stay the same as before.
  8. What if there was a confinement system shielding the antimatter from space and the accretion disk, but breaking down when inside the black hole (as the forces inside are a lot stronger than outside)? Yeah, I'm pushing it.
  9. lolwut? it's not 0 / 0.5 / 1 for qbits. It's every single number bewtween 0 and 1 which in theory are infinite. But the speed of a quantum computer is limited by measuring technology. There are a couple of them but so far they can barely compute basic addition. Not sure how it exactly works but it comes down to current pcs using transistors that are on or off, limiting their computational abilities to the amount of 0s and 1s you can get on the cpu. We long since reached the limit of what you can dop with a single core, which is why new pcs in the last years don't come with simply more powerful single core cpus but multicore cpus, the transistors can't get any smaller and you can't pack more onto a single core or they start to interfere with each other (iirc it's actually quantum mechanics, Heisenberg's Uncertainty Principle, which is the reason for the interference). WSith a quantum computer you only need a single atom, hell a single electron in theory because the potential computational ability is still infinite. But of course this is limited by how many of its quantum states you can measure in what time, which is extremely limited at the moment.
  10. Hmm, what if the amount of antimatter was so big that enough mass of the blackhole would get annihilated to lower the mass below what would be required for gravitational collapse? Would the black hole cease to exist because there is now insuficient desinty? Are there even any theories on this or do scientists just don't bother because so little is known about what happens inside?
  11. Yeah, I am heavily inclined to believe this, but I see it pretty often so I thought there may be some kind of scientific basis.
  12. I read this very often in science fiction. In Ilium the Quantum Matrix around Achilles was changed. In The Dreaming Void Advanced Neural Systems is embedded into the Quantum Lattice around earth. In The Night's Dawn trilogy there is something that can control Vacuum Fluctuations (aka Quantum Fluctuations according to wiki). Now Quantum Physics tend to be used to explain all sorts of funky technology in science fiction but I want to know just how much is really based on actual science. What exactly is a Quantum Matrix/Lattice? If I understand it correctly, Quantum/Vacuum Fluctations, Space-Time/Quantum Foam and the Casimir effect are all closely related. It's about particles and anti-particles popping in an out of existence on a subatomic scale, the Casimir effect being the force these particles can exert (in the test it was particles pressing together two plates because there were more virtual particles on the outside than between the plates, iirc). But what I don't get is how you manipulate a Quantum Matrix in order to fix someoen's way of dying, effectily changing his "Fate". And how you embed something into a Quantum Lattice?
  13. Thanks. So it really a concern.
  14. Hmm, maybe he means that. In the Night's Dawn trilogy they use wormholes for spaceflight and fusion drives for short distance which don't get even close to lightspeed, but I suppose they are exposed to space for a long time, not being capapble of entering an atmosphere. But considering it takes place at the beginning of the 27th century, I suppose the spaceships are not even around long enough for ultra long term (as in millions or billions of years?). Could the Interstellar medium cause the ablation even without relativistic speed? Apparently it's an issue and they are about trade with some aliens for a technology to prevent ablation efficiently.
  15. I'm reading The Night's Dawn Trilogy and Haimlton mentions this pretty often. The rest of the story is full of proper scientific concepts, but the only references I found about vacuum ablation say it's nonsense. Certainly, the idea that materials would "boil away" in empty space doesn't sound very convincing. Is vacuum ablation real? At what pace would a spaceshuttle hull ablate? And what is it that really causes the ablation? Radiation? The cosmic microwave background?
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