Wednesday, February 23, 2011

Top 10 Inventions That Changed our World

Top 10 Inventions That Changed our World

1. Stone tools, by Homo habilis some 2 million years agotop -1


2. Dageurreotype (the first successful photograph), by Louis-Jacques-Mandé Daguerre in 1839top -2
3. Saxophone (combining a reed mouthpiece with a brass bell),  by Antoine-Joseph Sax in 1842top -3
4. Bessemer process ( made steel cheap and plentiful), by Henry Bessemer in 1856

top -4


5. Celluloid (the first plastic), by John Wesley Hyatt in 1870
6. Edison cylinder phonograph (brought music to the masses), by Thomas Alva Edison in 1877top -6
7. Wright flyer of 1903 (showed flight could be controlled), by Wilbur and Orville Wright in 1903top -7
8. Iconoscope television camera and Kinescope receiver (made electronic television possible), by Vladimir Kosma Zworykin in the 1920stop -8
9. Integrated circuit (made modern electronics possible), by Jack Kilby in 1958top -9
10. Apple II personal computer (started the PC revolution), by Stephen Wozniak in 1977top -10


Tags: Top 10 Best Inventions, Top 10 Inventions

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