Inventions

3. - An invention that produces light when an electric current passes through it.
5. - A human-powered vehicle with two wheels, pedals, and handlebars.
6. - A device that receives and plays audio broadcasts.
8. - An invention that revolutionized the mass production of books and documents.
12. - A device used for communicating with others over long distances.
13. - A device used to capture and record images and moments.
14. - An optical instrument used to observe distant objects in space.
17. - An electronic device that displays moving images and sound for entertainment.
18. - A global network that connects computers and allows for communication and information sharing.
19. - A form of electromagnetic radiation used for medical imaging.
20. - A machine that processes data and performs tasks according to instructions.

1. - A fastening device used in clothing and bags for quick opening and closing.
2. - A device used to measure and indicate the time.
4. - An appliance that uses electromagnetic waves to heat and cook food quickly.
7. - A powered flying vehicle that transports people and goods through the air.
9. - One of the most important inventions that enabled the development of transportation.
10. - A device used for mathematical calculations.
11. - A navigational tool that uses a magnet to point towards the Earth's magnetic north.
15. - An antibiotic drug that revolutionized medicine by treating bacterial infections.
16. - An appliance used to keep food and beverages cool and preserved.