Category Archives: Did You Know?

Light can make some people sneeze

Did you know that Light can make some people sneeze? Between 18% and 35% of the human population is estimated to be affected by a so-called "photic sneeze reflex," a heritable condition that results in sneezing when the person is exposed to bright light. The exact cause of the reflex is poorly understood, but people have…
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Longest running bulb!

There is a light bulb in Livermore California that has been burning since 1901. The Shelby Electric Company made the bulb. It was hand blown and then outfitted with a carbon filament. It has about 4 watts of light. The fire department claims that the bulb is at least 108 years old and has only been…
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Edison not the first?

Edison did not invent the first electric light bulb, but instead invented the first commercially practical incandescent light. Many earlier inventors had previously devised incandescent lamps, including Alessandro Volta's demonstration of a glowing wire in 1800 and inventions by Henry Woodward and Mathew Evans. Others who developed early and commercially impractical incandescent electric lamps included…
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