Inventions and Inventors by Noam and Arnaud

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Across
  1. 1. It is the broadcasting of programmes for the public to listen to.
  2. 5. It has been indispensible to write down and share our ideas.
  3. 6. It helps to guide you.
  4. 7. It is a small combined radio transmitter and receiver that can be carried around by one person.
  5. 9. A circular frame or disk arranged to revolve on an axis, as on or in vehicles or machinery.
  6. 10. It was invented in 1922 in a university in Toronto.
  7. 11. He invented the babyfoot.
  8. 13. A space capsule or vehicle put into orbit by such device.
Down
  1. 2. It is an advanced computer pointing device that uses a light-emitting diode.
  2. 3. He invented the rechargeable battery.
  3. 4. It helps to see but it is not glasses.
  4. 8. It is a small object for storing digital information.
  5. 12. It is a disc on which a film or music is recorded.