Thomas Alva Edison

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by katerinavankova
Last updated 5 years ago

Discipline:
Science
Subject:
Inventors and Inventions

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Thomas Alva Edison

INVENTORS

Thomas Alva Edison

1. 17.5% of global power consumed is through lighting2. There are 750 million active light bulbs in the UK alone3. 80% of all light bulbs are still the 'old style' incandescent bulbs4. 90% heat, 10% light - it's the end of the road for incandescent light bulbs!5. Electricity runs through a very thin tungsten filament, it heats up (2,300 degrees Celsius) and glows, emitting light6. Incandescent light bulbs are very poor performers when it comes to energy efficiency

6 FACT ABOUT...

Thomas Edison’s serious incandescent light bulb research began in 1878, filing his first patent later that year…”Improvement In Electric Lights” in October 1878. His experiments involved the fabrication and testing of many different metal filaments, including platinum. Platinum was very difficult to work with, and prone to being weakened by heating and oxygen attack.

BIGGEST SUCCESS

Now everyone use light bulbs every evening. There are 750 million active light bulbs in the UK alone!

LASTING IMPACT

Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb.

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