"Semiarid places are now like students who get an A nearly every day,” says Princeton's Dr. Amilcare Porporato. Yet climate change may turn their solar-energy grades to Bs or Cs.
“Our method works with regular brick or recycled bricks, and we can make our own bricks as well,” says Julio D'Arcy of Washington University.
A major drawback to solar energy that it does not work in the shade. Enter the shadow-effect energy generator.
ntil recently renewables have been a luxury enjoyed only by relatively few people. No more.
The process works without the accumulation of salt or concentrated brine.
A newly designed solar panel works even at night.