Global headliners and giant leaps
The screen and sound revolution
Gadgets, games, and personal computing
Literary landmarks and cultural shifts
YOUR GOAL
Master of Rewinding to nineteen eighty-one
schopenhauer IBM Personal Computer Model 5150
With open designs and a modular build, it started the age of clone PCs.

schopenhauer The Osborne 1 was released, allowing users to carry their work anywhere.

schopenhauer The Rubik's Cube became a worldwide craze, testing the patience of millions.

schopenhauer Match 1981 trivia to discover the music, movies, and news that defined the year.
Rubik's math: A standard 3x3 Rubik's Cube has 43 quintillion possible configurations, but any scrambled cube can be solved in 20 moves or fewer.
A small computer that contains a microprocessor as its central processing unit. On August 12, 1981, IBM released the Model 5150, establishing the standard for these machines.
Which computer company introduced the Model 5150, the definitive early 'Personal Computer,' on August 12, 1981?
How much did the Osborne 1, the first commercially successful portable computer released in April 1981, weigh?
How many colored faces does a standard Rubik's Cube, the toy that swept the world in 1981, have?
Which classic arcade game inspired the hit pop song 'Pac-Man Fever,' which reached the Billboard charts in late 1981?
Which operating system, developed by Microsoft, was licensed to run on the new IBM Personal Computer in August 1981?
Which electronics company released the WM-2, the highly successful second-generation Walkman cassette player, in 1981?
Which Hungarian architecture professor invented the 3D combination puzzle that became a global craze in 1981?
What was the size of the tiny built-in black-and-white monitor on the Osborne 1 portable computer released in 1981?
