Discoveries & Inventions

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Across
  1. 4. Edison’s machine for recording and playing back sound
  2. 7. Allows pain-free surgery; ether first used in the 1840s
  3. 10. Global network born from ARPANET in the late 1960s
  4. 12. Marie Curie’s groundbreaking research field
  5. 16. Edison made this invention famous for lighting homes
  6. 17. Edward Jenner pioneered this for smallpox in 1796
  7. 18. Double helix structure discovered by Watson and Crick
  8. 19. Newton’s “apple” led to this fundamental force's description
  9. 20. Jenner’s method for preventing disease using cowpox
Down
  1. 1. Gutenberg’s 15th-century invention that spread books far and wide
  2. 2. Galileo improved this optical device in the 1600s
  3. 3. Process to kill microbes in food and drink, named for a French chemist
  4. 5. Discovered by Alexander Fleming in 1928; revolutionized medicine
  5. 6. Alessandro Volta’s invention for storing electrical energy
  6. 8. Powered the Industrial Revolution; key to early trains and factories
  7. 9. Wilhelm Röntgen’s discovery that lets us see inside bodies
  8. 11. Einstein’s theory that revolutionized physics
  9. 13. Broad class of bacteria-fighting drugs, penicillin was the first
  10. 14. Underwater vessel, first successfully demonstrated by Cornelis Drebbel
  11. 15. Detects distant objects using radio waves