I cringed when I saw the cover of the new issue of Scientific American. Trying to predict what technology will be like 50, 100, 0r 150 years in the future is a parlor game, not a serious intellectual exercise.
To understand why, you need only read a little 1950s-era science fiction. The predictions made by the authors about what the 21st century would be like were not just wrong — they were wildly, spectacularly wrong, by turns far too bold and not nearly bold enough.
My favorite example is Isaac Asimov’s early stories about robots. He built his robots’ brains using vacuum tubes, because the transistor hadn’t yet been invented, much less the IC chip. And yet, sixty or seventy years down the line, we still don’t have autonomous thinking machines of the kind Asimov envisioned. He had not the shadow of a clue about the real technological difficulties over which he was leapfrogging.
The migration of humans to colonies in space has been a staple of science fiction for close to a century, yet none of the authors who have written about it has come close to grappling with the real issues, which are probably more economic than technological, though the technological challenges are beyond imagining. And yet, here is Scientific American blathering about “starship humanity.”
Dissecting the rosy vision of space exploration in this article would be an amusing exercise, but it would take days. There’s a howler in almost every paragraph. Author Cameron Smith imagines Read the rest of this entry »