"Herewith, fifteen inventions–not that all of them ever
got built–that were at least a decade ahead of their time.
They're in chronological order, starting with the inspiration that
gave this article its title.
"1. Thomas Edison's Metal Books
"As described in: Cosmopolitan, February 1911.
"What it was: Among the numerous brainstorms and predictions
that Thomas Alva Edison shared with Cosmopolitan readers in an
exclusive interview was his vision of 40,000-page books that would
be two inches thick and weigh a pound–because their pages
would be made of metal, not paper:"
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