This story reminds me of that old fact of incandescent bulbs - far less than 1% of the energy from the burnt coal at the power plant is converter into useful li

This story reminds me of that old fact of incandescent bulbs - far less than 1% of the energy from the burnt coal at the power plant is converter into useful light in the home by the incandescent bulbs. There is so much loss of potential due to constraints and limitations in people and environments.