People who make this stuff are so effing cool. http://news.yahoo.com/s/livescience/20090702/sc_livescience/tinynewbatteryisprintable
That is interesting.Perhaps they can use the same technology to manufacture low cost solar cells too.
$1 a watt: http://www.industryweek.com/articles/new_low_cost_solar_panels_ready_for_mass_production_14932.aspx