The earliest televisions used a spinning disk technology called the Nipkow disk, which is exactly what [Science ‘n’ Stuff] recreated with their Arduino-based mechanical color television… ...

At the heart of many amateur radio and other projects lies the VFO, or Variable Frequency Oscillator. Decades ago this would have been a free-running LC tuned circuit, then as technology advanced i… ...

However, before the age of streaming services, movie nights usually meant gathering in front of the DVD player and physically sorting through your stack of DVDs to choose one that sounded good enough ...