*They'd be "useful" if they weren't mostly metaphysical flights of unrealizable imagination.
https://www.wired.com/geekdad/2013/02/the-10-most-useful-gadgets-from-science-fiction-and-comics/
*They'd be "useful" if they weren't mostly metaphysical flights of unrealizable imagination.
https://www.wired.com/geekdad/2013/02/the-10-most-useful-gadgets-from-science-fiction-and-comics/