Inventions & Discoveries

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Across
  1. 4. Invented airplane
  2. 6. Invented light bulb
  3. 8. Invented Video games
  4. 9. Invented Telescope
  5. 10. Invented mobile phone
Down
  1. 1. Invented steam Engine
  2. 2. Discovered Gravity
  3. 3. Invented ceiling fan
  4. 5. Invented Postal Stamp
  5. 7. Invented Computer