Warning: Undefined array key "visitor_referer_type" in /var/www/vhosts/wordinf.com/core/app/libraries/Core.php on line 98 Larry Niven - Cheap superconductors imply maglev...
Cheap superconductors imply maglev trains everywhere. Computers could get big again, with RAM/ROM rising by powers of forty and fifty, if superconductors shed the heat.
Laser handguns against superconducting armor. I'm not predicting; I just love playing with superconductors.