Crazy blue light bulb

Light Bulb

  • Platinum Filiment

    Platinum Filiment
    Humphry Davy created the first incandescent light by passing an electrical current through a thin strip of platinum because of it's high melting point. It produced a bit of light but not bright nor long.
  • Arc Lamp

    Arc Lamp
    Davy also created the first arc lamp with two charcoal rods connected to a 2,000 cell battery.
  • Warren de la Rue

    Warren de la Rue
    Warren de la Rue enclosed a coiled platinum filiment in a vacuum tube and passed an electric current through it. Although it was an effective design, the cost of the platinum made it impractical for commercial use.
  • First Incandescent Light Bulb

    First Incandescent Light Bulb
    Heinrich Gobel claimed to have invented the first incandescent lightbulb in 1854 with a bamboo filiment of high resistance, platinum lead wires and a high vacumm. It was decided in 2007 that it was just a legend that his was the first but that he had created one.
  • Incandescent Light Bulb

    Incandescent Light Bulb
    Alexander Lodygin invented an incandescent light bulb and obtained a Russian patent in 1874
  • First Long Lasting Light Bulb

    First Long Lasting Light Bulb
    Thomas Edison used a carbon filiment and designed a light bulb which lasted for 13.5 hours
  • Thomas Edison's Light Bulb

    Thomas Edison's Light Bulb
    Thomas Edison recieved a patent for his design which he improved to last even longer. This light bulb is what the light bulb everyone uses today is based on.