Across
- 3. Bulb A device that produces light from electricity.
- 4. An electronic device for processing data.
- 5. Engine An early source of mechanical power.
- 8. A powered flying machine for air travel.
- 14. The first antibiotic medicine.
- 15. A system for determining precise locations.
- 16. An appliance for keeping food cold and fresh.
Down
- 1. A communication device for talking to people far away.
- 2. A circular object used for transportation.
- 6. A self-propelled vehicle for personal transportation.
- 7. A device for transmitting and receiving signals.
- 9. A global network for sharing information.
- 10. Press A machine for printing books and documents.
- 11. A device for transmitting moving images and sound.
- 12. A system for long-distance communication.
- 13. Phone A portable telephone for mobile communication.