Shouldn't the Gamma Gun Work on Robots?

Discussion in 'Fallout 4' started by NMLevesque, Aug 12, 2017.

  1. BDI898

    BDI898 First time out of the vault

    Aug 13, 2017
    I don't really think so in the Fallout universe, in the Glow there are still working robots despite the incredibly high amounts of radiation.
     
  2. Hassknecht

    Hassknecht For hate's sake Admin Orderite

    Aug 16, 2010
    In the universe of Fallout, most electronics are still based on vacuum tubes, which are inherently hardier when it comes to radiation than transistor-based electronics.
     
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  3. NMLevesque

    NMLevesque Commie Ghost

    Jul 2, 2016
    It just seems weird to me that EMP weapons do special damage to robots, and previously electric weapons did bonus damage to them, but something that shoots ionizing radiation does squat all. Physics wise I can't see how those two outcomes fit together.

    That sounds interesting. Would you care to elaborate on that?
     
  4. Einhanderc7

    Einhanderc7 Vat dipped, grown and still oozing with perfection

    Apr 22, 2016
     
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  5. Hassknecht

    Hassknecht For hate's sake Admin Orderite

    Aug 16, 2010
    The voltages and currents in vacuum tube circuits are naturally much higher than what you'd find in a transistor-based circuit. So a vacuum tube circuit is much hardier when it comes to the high voltage spikes of EM-pulses from nuclear attacks on one hand, but there are other issues with transistors on radiation that vacuum tubes don't care too much about.
    A transistor is based on a carefully doped semiconductor. Nuclear radiation can take several forms, alpha, beta, gamma, and neutron radiation. Alpha radiation is fast helium nuclei, so two protons and two neutrons. It's blocked by basically a piece of paper, so not much danger here, although absorption in a material can lead to bremsstrahlung/x-rays. Beta radiation is fast electrons/positrons (beta- and beta+ radiation). Again, doesn't penetrate very deep, but creates bremsstrahlung and, in the case of beta+ radiation, the annihilation of the positrons also results in gamma radiation. Gamma radiation is highly energetic EM radiation, basically light with a very short wavelength, shorter than x-rays. They penetrate very deep and can't be fully blocked. Gamma radiation happens at every nuclear decay that results in alpha and beta radiation because after an alpha or beta decay the resulting nucleus is in an excited state, and when this excited state decays the nucleus sends out a gamma quantum. Neutron radiation then is mostly found in nuclear reactors, and it's, well, free neutrons. They're especially annoying because they can turn stable elements into radioactive elements and cause material failures.
    And neutron radiation is what's really the killer for semiconductor electronics, because the neutrons will mess with the doping in the transistor and destroy it. Also, gamma radiation can ionize a transistor locally and scramble its operation.
    Vacuum tubes don't care much about gamma radiation, but prolonged neutron radiation will also destroy them by making the glass brittle and corroding the wiring, I guess.
    EMP weapons shouldn't have too much effect on Fallout-universe computers and robots, either, actually :D
     
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  6. 0wing

    0wing Все умрут, а я волномут

    Mar 23, 2015
    Wait, how would you ever achieve a directed gamma radiation ray?
     
  7. ThatZenoGuy

    ThatZenoGuy Residential Zealous Evolved Nano Organism

    Nov 8, 2016
  8. Hassknecht

    Hassknecht For hate's sake Admin Orderite

    Aug 16, 2010
    By a gamma ray laser or an Induced Gamma Emission from a nuclear isomer, an excited nuclear state. Both are very much science fiction, though.
    Although I guess with Fallout's mastery over miniaturized nuclear devices and lasers they'd have a way to make it work properly. Pump some Hafnium or whatever with a neutron source and handwave the heat away. Or use the miniaturized nuclear reactor they have everywhere as a neutron source to make a stable, portable nuclear-pumped laser.
     
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  9. Einhanderc7

    Einhanderc7 Vat dipped, grown and still oozing with perfection

    Apr 22, 2016
     
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  10. Crni Vuk

    Crni Vuk M4A3 Oldfag oTO Orderite

    Nov 25, 2008
     
  11. Alphons

    Alphons National Beholder

    Aug 9, 2017
    >logic
    >Kid from Fridge, Mojave Aliens, Cabot Family and pre-war jet first cameo