Great Inventions

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Across
  1. 2. This word comes from a famous 9th century treatise, “Kitab al-Jabr Wa l-Mukabala” which translates to “ The Book of Reasoning and Balancing”
  2. 8. a camera, a calculator, and a web browser.
  3. 9. Started out as weapons, used today for space exploration among many other purposes.
Down
  1. 1. The Diners Club card in the 1950s.
  2. 3. Prevents the feeling of pain during medical procedures.
  3. 4. Replaced candles and oil lamps, and enabled extending the workday well into the night.
  4. 5. “The Net”
  5. 6. Although commonly seen in vehicles, the oldest evidence of this mechanism being used was in the context of pottery.
  6. 7. Its history begins in China, in the form of a pulp of mulberry bark, hemp, rags and water.