1946–1999
Giant leaps. Divided worlds. New beginnings.
History doesn’t stand still.
Meet the moments.
TechnologySony announces the first AIBO robotic pet
Sony introduced AIBO on 11 May 1999 as a four-legged home entertainment robot. Its launch announcement combined an unusual domestic proposition—a responsive robotic companion—with a limited first release sold exclusively through the Internet.
Step into the story ↗
TechnologyLinus Torvalds announces his operating-system hobby
On 25 August 1991, a Usenet message invited suggestions for the personal project that became Linux, while expressing strikingly modest expectations.
Step into the story ↗
TechnologySony launches the CDP-101 compact-disc player, 1 October 1982
Sony's CDP-101 brought laser-read digital audio into the Japanese consumer market. The machine depended on a shared disc standard and a supply of recordings, linking optical engineering with a new way of selling recorded music.
Step into the story ↗
TechnologyScott Fahlman proposes the sideways smiley for online jokes
On 19 September 1982, Carnegie Mellon researcher Scott Fahlman proposed a sideways punctuation face to mark jokes on an electronic bulletin board. His dated message survives and documents a small, influential response to misunderstandings in written online conversation.
Step into the story ↗
TechnologyLaunch of the Sony Walkman TPS-L2 in Japan
Sony’s first Walkman went on sale in Japan on 1 July 1979. Its lightweight headphones helped make music portable and private, but two headphone sockets and a conversation button also made the original model surprisingly sociable.
Step into the story ↗
TechnologyThe first commercial UPC barcode scan in Troy, Ohio
On 26 June 1974, a supermarket transaction turned a packet of chewing gum into a technological milestone. The first commercial UPC scan demonstrated how standardized product numbers and optical readers could transform the checkout.
Step into the story ↗
TechnologyMotorola’s 1973 handheld cellular telephone demonstration
Motorola demonstrated its handheld cellular telephone system in New York on April 3, 1973. Martin Cooper later recalled marking the occasion with a call to a rival at Bell Laboratories, a memorable human detail in a larger engineering achievement.
Step into the story ↗
TechnologyCarousel of Progress opens at the 1964 New York World's Fair
On 22 April 1964, General Electric's Progressland introduced a mechanical family and an unusual theatre. The audience revolved around a stationary stage while household inventions carried the story through successive decades.
Step into the story ↗
TechnologyTennis for Two debuts at Brookhaven National Laboratory
On 18 October 1958, visitors to Brookhaven played electronic tennis on a small oscilloscope. The temporary demonstration turned laboratory computing equipment into an early experiment in interactive entertainment.
Step into the story ↗
TechnologyChicken Ramen launches in Japan
Launched on 25 August 1958, Momofuku Ando’s Chicken Ramen turned cooked noodles into a dry, portable cake that could become a hot meal again with water.
Step into the story ↗
TechnologyThe Manchester Baby runs its first program: June 21, 1948
On June 21, 1948, the Manchester Small-Scale Experimental Machine successfully executed a program held in electronic memory. Nicknamed the Baby, it demonstrated a practical electronic stored-program computer. Its immediate purpose was to test a memory technology that could support more capable computing machines.
Step into the story ↗Come for the story.
Stay for the challenge.
See a moment. Hear its soundtrack. Follow the clues. The daily PreviousDays quiz is waiting — and so are your friends.
Play the quiz ↗