Influential Inventions of the 20th Century

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Across
  1. 3. a powered flying vehicle
  2. 4. a global computer network providing information
  3. 5. polymeric material that has the capability of being molded
  4. 8. s a detection system that uses radio waves
  5. 9. a road vehicle, typically with four wheels
Down
  1. 1. a system for transmitting visual images and sound that are reproduced on screens
  2. 2. an electronic device for storing and processing data
  3. 3. a bomb from rapid release of nuclear energy
  4. 6. sound communication by radio waves
  5. 7. is a device that emits light