Since time immemorial, thousands of inventions by man have gone on to transform the world. Here is the list of 30 (in alphabetical order) that may have played a bigger part than most:

1. Abacus | 190 AD
2. Aspirin | 1899
3. Barber wire | 1873
4. Barcode | 1973
5. Battery | 1800
6. Bicycle | 1861
7. Bra | 1913
8. Button | 1235
9. Camera | 1826
10. Compass | 1190
11. Condom | 1640
12. Fridge | 1235
13. Gun | 14th Century
14. Internal combustion engine | 1859
15. Laser | 1960
16. Light Bulb | 1848
17. Locks | 2000 BC
18. Microchip | 1958
19. Mobile phone | 1947
20. Paper | 105 AD
21. PC | 1977
22. Printing press | 1454
23. Radio | 1895
24. Telephone | 1876
25. Television | 1925
26. The internet  | 1969
27. The match | 1826
28. The Pill | 1951
29. Wheel | 3500 BC
30. Zip | 1913

inventions, popular inventions