Better have some REALLY BIG batteries. Maybe they should consult with Boeing.
If you put them in space where they won't enter earth's shadow, batteries would not be necessary. The smelters themselves could be merely big mirrors focusing sunlight to the desired point.
41 posted on 01/22/2013 8:28:20 AM PST by zeugma
(Those of us who work for a living are outnumbered by those who vote for a living.)