Inventions Timeline

1968  video game console was invented by Ralph H. Baer   

1968  Alfred Y. Cho and John R. Arthur, Jr invent a precise way of making single crystals called molecular beam epitaxy (MBE)   

1969  aRPANET was invented by United States Department of Defense   

1969  World's first solar power station opened in France   

1969  Long before computers become portable, Alan Kay imagines building an electronic book, which he nicknames the Dynabook   

1969  Willard S. Boyle and George E. Smith invent the CCD (charge-coupled device): the light-sensitive chip used in digital cameras, webcams, and other modern optical equipment   

1969  Astronauts walk on the Moon   

1969  The Internet   

1970  floppy disk   

1971  e-mail was invented by Ray Tomlinson   

1971  Liquid Crystal Display was invented by James Fergason   

1971  pocket calculator was invented by Sharp Corporation   

1971  Floppy Disk was invented by David Noble with IBM   

1971  electronic ink is pioneered by Nick Sheridon at Xerox PARC.   

1971  ted Hoff builds the first single-chip computer or microprocessor.   

1971  pocket calculator   

1972  Compact disk   

1973  Ethernet was invented by Bob Metcalfe and David Boggs   

1973  personal computer was invented by Xerox PARC   

1973  martin Cooper develops the first handheld cellphone (mobile phone).   

1973  Robert Metcalfe figures out a simple way of linking computers together that he names Ethernet. Most computers hooked up to the Internet now use it   

1974  first grocery-store purchase of an item coded with a barcode.   

1975  whitfield Diffie and Martin Hellman invent public-key cryptography.   

1975  pico Electronics develops X-10 home automation system.   

1975  Desktop computer   

1976  Steve Wozniak and Steve Jobs launch the Apple I: one of the world's first personal home computers   

1976  apple computer   

1979  Sony Walkman   

1980  post-It Notes   

1980  Japanese electrical pioneer Akio Morita develops the Sony Walkman, the first truly portable player for recorded music   

1981  stung by Apple's success, IBM releases its own affordable personal computer (PC).   

1981  The Space Shuttle makes its maiden voyage   

1981  Patricia Bath develops laser eye surgery for removing cataracts   

1981  IBM Personal computer   

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