fergus07 (1145927) writes "The current world record for triple-junction solar cell efficiency is 44 percent, but a collaboration between the U.S. Naval Research Laboratory (NRL), the Imperial College of London, and MicroLink Devices Inc. has lead to a multi-junction photovoltaic cell design that could break the 50 percent conversion efficiency barrier under concentrated solar illumination." Link to Original Source
"'Tis true, 'tis pity, and pity 'tis 'tis true."
-- Poloniouius, in Willie the Shake's _Hamlet, Prince of Darkness_