Invented over 2 million years ago by Homo habilis, early human ancestor; versatile multi-tool for cutting, sawing, crushing, and smashing.
Stone tools
First successful photograph invented in the 1830s; revolutionized photography with shorter exposure time.
Daguerreotype
Patented by Antoine-Joseph Sax in 1846; unique combination of reed and brass bell; influenced jazz and various music styles.
Saxophone
Invented independently by Sir Henry Bessemer and William Kelly in the 1840s; enabled mass production of steel for construction.
Bessemer process
First synthetic plastic developed in the 1860s; essential for plastic products like bags, tupperware, and film.
Celluloid
Invented by Thomas Alva Edison in 1857; early record player bringing music to the masses.
Edison cylinder phonograph
Wright brothers' historic flight; first sustained flight of an airplane, revolutionizing travel and shipping.
Wright flyer of 1903
Invented by Vladimir Kosma Zworykin in the 1920s; enabled image transmission for television and global information sharing.
Iconoscope television camera and Kinescope receiver
Invented by Jack Kilby in 1958; essential microchip powering modern electronics.
Integrated circuit
Apple II personal computer
Unveiled by Stephen Wozniak in 1977; played a significant role in popularizing personal home computers and shaping the computer industry.
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