Across
- 4. Invention by Thomas Edison that brought electric light to homes
- 5. Flying machine invented by the Wright brothers
- 6. Vehicle powered by an internal combustion engine
- 7. Global network of connected computers, revolutionizing communication
- 9. Device invented by Alexander Graham Bell for voice communication
- 10. Machine invented by Johannes Gutenberg for mass-producing books
- 12. Device for capturing images, first developed by Daguerre and Niepce
- 14. Device for stitching fabric, invented by Elias Howe
- 15. Machine for processing and storing data, first developed in the 20th century
- 18. Device to regulate the heartbeat, first implanted in humans in the 20th century
- 19. Device for transmitting moving images and sound
- 20. Appliance for keeping food and drinks cold
Down
- 1. Antibiotic discovered by Alexander Fleming
- 2. Underwater vessel, first used for military purposes
- 3. Optical instrument that magnifies small objects, invented by Leeuwenhoek
- 8. Navigation instrument using Earth's magnetic field, first used in China
- 11. Engine powered by steam, key to the Industrial Revolution
- 13. Medical innovation that allows for painless surgery
- 16. Harnessed by Benjamin Franklin and later Thomas Edison
- 17. Wireless transmission of sound, pioneered by Marconi and Tesla