https://twitter.com/robinhanson/status/1603402879049601026
RT @robinhanson@twitter.com
Some staples of science fiction that I bet will NEVER be part of our real future: large-scale levitation, time-travel, and faster-than-light travel. What else would you bet falls in this category?
🐦🔗: https://twitter.com/robinhanson/status/1603402879049601026
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Sound in space 😆
That may be the wrong kind of science fiction, heh
