Re: Speed of Radioactivity

From: Francisco Diaz Jr. (pacodiaz_at_gmail.com)
Date: 07/20/04

  • Next message: victor: "Re: The Paradox of Zeno" 
    Date: 19 Jul 2004 18:00:24 -0700

    EjP <nospam@hackers.are.bad> wrote in message news:<cdh4mn$g6p$1@info4.fnal.gov>...
    > Francisco Diaz Jr. wrote:
    >
    > > Can the speed of radioactivity be measured,
    >
    > Yes.
    >
    > > it beats the speed of light.
    >
    > Well, gamma rays *are* light, so they move at the speed of light.
    >
    > The speed of other types of radiation depends on the energy, but
    > for the common range of decay energies on the order of an MeV or so.
    >
    > Beta rays are electrons (or positrons)
    > which are typically moving a decent fraction of the speed of light
    > (>10%).
    >
    > Alpha rays (Helium nuclei) and neutrons typically move at a pretty
    > small fraction of the speed of light (order of a few %).
    >
    > -E
    Why does radioactive energy emit out of a black hole (creating bulges
    in the universe), where as regular light cannot pentrate into or out
    of the black hole?

  • Next message: victor: "Re: The Paradox of Zeno"