The most important invention of this century will be the discovery of the cure of HIV/AIDS. This disease has no cure and has claimed the lives of very many people.
The steamboat
This is very much a matter of opinion. Arguably the wheel is the most important
Gunpowder
i heard somewhere that the greatest invention of the 21st century is the internet.
The Printing Press
spinning wheel
The Steamboat
The locomotive
Radio was not an important invention in the early 20th century. Instead it was developed by Heinrich Hertz in the 18th century. The cotton gin (APEX)
One of the most important inventions is the penicillin which was discovered in 1928. Another very important invention was the invention of compass, which was discovered by ancient China in the 9th century.
Radio was not an important invention in the early 20th century. Instead it was developed by Heinrich Hertz in the 18th century. The cotton gin (APEX)
The Steamboat
The Steamboat
The Steamboat
laptop portability is the most important invention
The cotton gin
The locomotive