Before LCDs and LEDs became cheap enough to add to nearly any device, mechanical flap displays were used in large-scale signage and bedside alarm clocks for improved legibility. Shinsaku Hiura has ...
Flip clocks: they were cool long before Bill Murray was slapping one repeatedly in Groundhog Day, they were cool in 1993, and they’re still cool now. If you can’t find one on the secondhand market, ...