20th Century inventions and Introductions timeline. which are the best inventions of the 20th century? this video shows just a few important and some useful inventions during this time period.

Including:

T.V invention
Radio invention
Microwave invention
Insulin invention
Atomic bomb invention
Penicillin invention
Velcro invention
Vacuum cleaner invention
Pyrex invention
Cats eyes invention
Teflon invention
Car airbag invention
Child safety seat invention
Cordless telephone invention
Mobile phone invention
Intenet invention
Hand held games console inventions
DVD invention....and many more

Music from the audio library: Lonely Troutman II - William Rosati
Data is almost all from Wikipedia but too many links to share

Made with Keynote on MacBook Pro

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