Monday, January 21, 2013
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.
Once there was a pawn who wanted to be independent. He was sad, and chafed against his limitations. These rules are so unfair, said the little pawn. I can only move forward, and then only one space at a time, except for my first move.
Furthermore, complained the little pawn, I cannot attack an opponent directly in front of me, nor beside me, nor behind me. I can only attack at the front angle to the right or left. This is s-o unfair!