Where, in short, are the flying cars? Where are the force fields, tractor beams, teleportation pods, antigravity sleds, tricorders, immortality drugs, colonies on Mars, and all the other technological wonders any child growing up in the mid-to-late twentieth century assumed would exist by now? Even those inventions that seemed ready to emerge—like cloning or cryogenics—ended up betraying their lofty promises. What happened to them?
Via Paulo Furtado