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Transcript

  • 1. BLACK LIGHTS
    The Inside Story
  • 2. What is used in Black Lights?
    Phosphors
    Mercury
    Inert Gases (A non reactive gas)
    Electrical Current
    Hydrogen Gas
  • 3. How does it all Work?
    What you see under a black light glowing is phosphors. Light is generated by passing electricity through a tube with inert gas and a small amount of mercury.
    Mercury atoms emit energy in forms of light. UV light is invisible to the human eye so to be able to see the light that is being emitted the outer tube is coated with a phosphor coating.
  • 4. Different Colors of Black Light
    The color of a Black light is determined by what type of phosphor coating is on it.
    Anything Containing phosphors will glow under these lights.
  • 5. Type of Reaction.
    SYTHENISIS
  • 6. Common Uses
    Tattoos
    Parties
    Bowling Alleys
    Night Clubs
    Check Counter-fit Currency
    Check For Clean Hotel Rooms
    Check ID/Pass Ports
    Stage Productions
    Theme Parks will uses invisible stamps to let you into their park.
    Crime Scenes