One of my favorite things to do is talk with other ham radio operators through satellites or the International Space Station (ISS). To do this, I stand on a rooftop and tune a handheld multiband radio while tracing the orbit of a satellite or the ISS with my homemade yagi antenna.
In 1976, Atari introduced Atari Video Music, a plugged-in music visualizer designed by Pong creator Bob Brown that bridged the yawning gap between consumers’ stereos and their TV sets.