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A washing machine for human beings, from 1970
The 1970 World Expo in Osaka, Japan had the theme of "Progress and Harmony for Mankind," and drew record numbers. Some 64 million people from 77 countries attended. One of the more unusual objects on display was this Sanyo Ultrasonic Bath. The demonstration model would
The 1970 World Expo in Osaka, Japan had the theme of "Progress and Harmony for Mankind," and drew record numbers. The demonstration model would climb into the six-foot-tall machine via ladder, then enter the chamber, with their head sticking out of the top. However, it has inspired Japan's Science Group, who we wrote about here, to bring back the concept for 2025, when Osaka will again host a World Expo.
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