6. Robert Heinlein’s Waterbed
You knew someone who had a waterbed in the 90s and early 2000s, admit it. Well, it may have been this guy’s design. Robert Heinlein is one of the most influential sci-fi writers the world has ever known. Plus, he modernized the water bed, which is pretty cool too. The water bed was initially invented in the early 1900s, but didn’t really become mainstream until the 1960s with the help of Heinlein.
Heinlein did a stint in the U.S. Navy during which he suffered from pulmonary tuberculosis, which required him to stay in bed for long periods of time. During one of the bed-rest phases, he began to ponder his mattress and started to design a more comfortable bed for the hospital, which led to the waterbed. Maybe since his job in the Navy revolved around water, he wanted to bring it to bed too.
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