Recent content by Battlemage!

  1. Battlemage!

    How dangerous is a small amount of radioactive material?

    I did see this article, but that's a lot of Cobolt 60 they stole. https://newrepublic.com/article/115839/cobalt-60-side-effects-radioactive-truck-thieves-mexico-are-dying
  2. Battlemage!

    How dangerous is a small amount of radioactive material?

    Thanks for the detailed suggestions. It is definitely helpful to my research. As to why I want to do this method, part of it is the strengths of the alien, but part of it is to prevent the alien's secret group from finding out they are about to be exposed. The idea is to cause an illness that...
  3. Battlemage!

    How dangerous is a small amount of radioactive material?

    Thanks for the replies everyone. I'll think this over and hopefully have something cool. True but using radioactive elements seemed kind of cool. ;)
  4. Battlemage!

    How dangerous is a small amount of radioactive material?

    Well, what I need is for that small amount to be dangerous over a large area (on the order of 30 feet or so). If that's not possible, then if it were dangerous for only a radius of two or three feet I could make it work by making the character in my story have to plant little pieces in each...
  5. Battlemage!

    How dangerous is a small amount of radioactive material?

    I'm hoping something like a cubic centimeter of Plutonium would work for this plot line, but I know next to nothing about this topic. EDIT- reading this article, maybe Plutonium won't work. https://www.nrc.gov/reading-rm/doc-collections/fact-sheets/plutonium.html Seems to have a short range...
  6. Battlemage!

    How dangerous is a small amount of radioactive material?

    Okay, let me add some detail. For the purpose of my short story (and yes it's dumb), what I need the character to be able to do is sneak in some sort of radioactive material into a highly restricted office area, for the purpose of finding out which of those "people" there are immune to the...
  7. Battlemage!

    How dangerous is a small amount of radioactive material?

    Last year in a Intro to Radiation Oncology lecture I was sitting in on, a physics professor at my school said that all a terrorist (or otherwise bad guy) would need to do to kill or at least harm a bunch of people is take a small amount of radioactive material and hide it somewhere in a desk. He...
  8. Battlemage!

    B Special relativity implies the space cannot be "closed"?

    Does this have to do with functions between the two maps? That is, a cylinder and some flat square or whatever would have a one-to-one relationship for each point, while a sphere would not?
  9. Battlemage!

    B Special relativity implies the space cannot be "closed"?

    Is this because you can cut the cylinder and have a rectangle? (I'm taking it we're ignoring the ends of the cylinder here?)
  10. Battlemage!

    B Special relativity implies the space cannot be "closed"?

    Isn't such a universe automatically curved? If they follow a circular path but don't accelerate, how can it be flat spacetime?
  11. Battlemage!

    B Special relativity; mixed up time and space due to motion

    Triangle inequality?What if it isn't flat spacetime? Could we have a geometry where that law doesn't hold? Is this conceivable?
  12. Battlemage!

    B Special relativity; mixed up time and space due to motion

    Define "see." All observers who correct for the travel time of light will agree upon that, correct? But there could conceivably be observers who see (as in with their eyes, without correcting for the travel time of light) the phone answered first, could there not? EDIT- oh wait never mind. At...
  13. Battlemage!

    B Einstein's Epiphany of Constant Light Speed

    This is what I gathered from reading On the Electrodynamics of Moving Bodies. Edit- might as well post it to save someone a google search. https://www.fourmilab.ch/etexts/einstein/specrel/www/
  14. Battlemage!

    Stargazing U.S. Solar Eclipse of Aug. 21, 2017

    This one will pass right over me. I'll be out there watching, probably in Gallatin Tennessee, or wherever in the state the best weather is.
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