Radio Waves

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Across
  1. 2. What is the name of one of the medals he won?
  2. 4. What University did Hertz study at?
  3. 5. One of Hertz’ other inventions/contributions
  4. 6. What is the unit of frequency?
  5. 7. Whose equations did Hertz use?
  6. 8. What do the EM waves lie on?
Down
  1. 1. Where was Hertz born?
  2. 3. Who discovered radio waves?