State of Residential Solar Power

Lee Phillips, Ph.D., a theoretical physicist, and writer who lives in McLean, Virginia. Solar energy have has captivated us from we were children.  From solar powered toys and glow in the dark stars to solar powered calculators.  Although it works on a small scale, how will it look on a bigger scale?  Will it be environmentally sustainable and economically sustainable?   Lee Phillips explains the current state of solar power.