The Almost-Magical Floating Bed

Magnets allow this bed to hover.
(Image credit: Janjaap Ruijssenaars, universearchitecture.com)

Floating furniture? In his 1959 novel "The Sirens of Titan," Kurt Vonnegut created the idea of furniture with no legs:

The office was spookily furnished, since none of the furniture had legs. Everything was suspended magnetically at the proper height. The tables and the desk and the bar and the couches were floating slabs. (Read more about Kurt Vonnegut's floating furniture)

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Bill Christensen catalogues the inventions, technology and ideas of science fiction writers at his website, Technovelgy. He is a contributor to Live Science.