-
1450
Printing Press
Johannes Gutenberg -
Binary Number System
Gottfried Leibniz -
Battery
Alessandro Volta -
Paper Making Machine
Henry and Sealy Fourdrinier -
Telephone
Alexander Graham Bell -
Dishwasher
Josephine Cochran -
Polygraph Machine
John Larson -
Color TV
Peter Goldmark -
Handheld Cell Phone
Martin Cooper -
CDs
Sony and Phillips corporations -
World Wide Web
Tim Berners-Lee -
E-Book
Amazon