Lighting and Electrical Light Bulbs Incandescent Bulbs
Lights out! Are you in need of
light bulbs, and shed some light on the history of this essential little gadget.
Some Facts to Throw a Light On
* Everyone knows Thomas Edison invented the
incandescent lamps. Weird! But what made Edison one of the most influential men in history are these three aspects of the invention:
** Incandescent material that was successfully used
** Established a higher vacuum by utilizing a Sprengel pump
** Resistance that was considerably higher, making it economically possible to have a centralized source of power for the
light bulb, with adequate distribution of power
* None of the above really makes any sense, even to your hyperunderstand point:
** Edison won out over his predecessors because instead of just inventing a
light bulb, he created a whole integrated system of them. Without that, well, we'd all be in the dark. For a while, at least.
* Even before Edison, the name Joseph Wilson Swan, now historically overshadowed, was synonymous with indoor lighting in homes and landmarks in England. It is even Swan's own home that has the record of being the first home ever lit by
light bulbs.
* Beginning in 1885,
lamps to 795 million within six decades.
Did you know...
* That 90% of the power used in a
light bulb is converted into heat, not light?
* When your
light bulb burns out and gets gray inside, that is the evaporation of tungsten?
Lights at the End of the Tunnel
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