Here are five lesser-known facts about lighting

Here are five lesser-known facts about lighting:

1. The first electric light was demonstrated in 1802: Sir Humphry Davy, a British scientist, demonstrated the first electric light by passing electricity through a thin strip of platinum. However, it was not until the 1870s that commercially practical electric lights were introduced.

2. Humans are not the only species that can see ultraviolet light: Many insects, birds, and some reptiles can see ultraviolet light, which is invisible to humans. This ability helps them navigate and find food in their environments.

3. The world’s largest light bulb weighs over 9 tons: Located in Edison, New Jersey, the world’s largest light bulb is a 131-foot-tall structure that weighs over 9 tons. It was built in 1938 by the Thomas Edison Company as a tribute to the inventor of the incandescent light bulb.

4. The world’s longest-lasting light bulb has been burning for over 120 years: The Centennial Light, located in Livermore, California, has been burning continuously since 1901. It is a 60-watt bulb and is still in use today.

5. The color temperature of light affects our mood and behavior: The color temperature of light, measured in Kelvin (K), can affect our mood and behavior. For example, warmer colors (lower Kelvin temperatures) can create a cozy and relaxing atmosphere, while cooler colors (higher Kelvin temperatures) can create a more energizing and alert environment.
   
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