The Think a Dot was a small non-electronic toy with an 8 pixel 2-bit display. To change the color of the pixels, you dropped marbles into three holes at the top.
As you can see, the pixels change color based on the current color of the pixels and which hole the marble is dropped in.
Someone has made a 3D model of the toy and uploaded it to Thingiverse, so you can 3D print your own!
Image: Decode Systems
The funny folks at Squirrel Monkey made a fantasy promotional video for a computer that never existed, called the DC 640. It had a number of cutting edge features, including a built-in LED alarm clock, an FM transmitter (for data and voice communication), and a solderless breadboard.
Kamil Rocki was inspired by the 2016 paper from Google Deepmind researchers explaining how they used machine learning to develop a system that could play Breakout on the Atari 2600 with superhuman proficiency.
Rocky Bergen creates gorgeous, downloadable papercraft models of retro PCs, from the Commodore 64 to the Apple ][+ to the Amstrad, with different screens to print celebrating classic 8-bit games, and accessories like tiny floppies in tiny paper sleeves. As Waxy points out, these would make stunning Christmas ornaments.
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