QUIZ: Can You Guess What These Weird Historical Devices Were Used For?

Corey Moylan|Quiz|31 Oct 2023

Do you know what this is?

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Retry Correct Incorrect Designed by L. Ron Hubbard, the founder of the Church of Scientology, a Hubbard electrometer was invented to discover whether tomatoes felt pain. Alrighty then.
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Do you know what this is?

  • Vegetable growth stimulator
  • Automatic plant fertilizer
  • Soil pH level detector
  • Hubbard electrometer, or E-meter
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