Get the latest tech news
Wild human washing machine promises to rinse you clean in 15 minutes
While it never really took off commercially after 1970, the human washing machine concept clearly made an impression on at least one young visitor from Osaka –...
In context: Back in 1970, a futuristic "human washing machine" called the Ultrasonic Bath caused a sensation at the Japan World Exposition. Aoyama is determined to finally make his childhood dream a reality with an all-new "Mirai Ningen Sentakuki" (human washing machine of the future). This modern remake ditches the egg shape for something that resembles a jet fighter (or a massive helmet), with a transparent canopy that opens from the back.
Or read this on r/technology