Waterbeds, what ever happened to them?
They were literally beds filled with water designed for comfort, and not particularly for people with dogs, cats, or sharp pointy toe nails that could easily puncture the squishy mattress. But who thought of these things, and how?
It all started with a homework assignment for Charlie Hall in graduate school, who was tasked with improving human comfort. The rest is literally the stuff of dreams…
source – h/t