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