The Beginning Of The Laptop As We Know It
techland.time.com
The basic way laptops are constructed seems like the most obvious thing in the entire world: Of course they're clamshells that fold open to reveal a screen and keyboard. But that design didn't exist until 1982, when Grid Systems launched the Grid Compass 1101, which cost $19,000 in today's money. An excellent excavation of computer history by Harry McCracken.