[brightcove]46738212001[/brightcove]The robots are hard to miss — tiny ones going through their frantic paces behind glass, or slow-moving giants from Germany. 
They dotted the huge exhibition hall at the Anaheim Convention Center Tuesday, the first day of Solar Power International 2009 – what promoters call “America’s largest solar event.”
It is expected to draw more than 20,000 people from 90 countries by the time it wraps up Thursday. Wednesday is public night, when everyone is permitted to roam the exhibit hall free of charge.
