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Who or what? · Inventions

Who or what is it? A puzzle from the category Inventions

Five clues, from vague to obvious. The sooner you get it, the more points you score.

The clues

  1. Thomas Edison was granted a patent on his version in 1880.
  2. It contains a very thin wire.
  3. The wire gets so hot that it glows.
  4. It is hardly sold in the EU any more.
  5. It makes light.
Guess it yourself
Show the answer
The light bulb

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