You might have seen images of old TVs with a series of colorful bars, called a test pattern. What were these for, and are ...

In November 1953, The New York Times reported that late-night television audiences across New York had “discovered a new quiz game” on WNBT, the local NBC affiliate. It did not air on a regular basis ...

[Nicholas Murray]’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test patterns in PAL/NTSC. If one is checking ...