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Cathode ray

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  1. are streams of electrons observed in vacuum tubes, i.e. evacuated glass tubes that are equipped with at least two electrodes, a cathode (negative electrode) and an anode (positive electrode) in a configuration known as a diode

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 14, 2008
  2. When the cathode is heated, electrons are emitted from the metal

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 14, 2008
  3. These are attracted to the anode

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 14, 2008
  4. If the inner glass walls behind the anode are coated with a fluorescent material called a phosphor the incident electrons induce a glow

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 14, 2008
  5. The presence of cathode rays was first postulated in early studies in vacuum tubes by placing metal shapes between the electrodes, thereby casting a shadow on the phosphorescent coating

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 14, 2008
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