During the dog days of summer, the monthly utility bill for an air-conditioned home can induce more perspiration than the temperature does. But could we cut the cord and cool our homes without using electricity or water?
Aaswath Raman and his colleagues at Stanford University say that we can. Raman’s team has created an experimental material that sends excess heat into outer space — no fans, refrigerants or compressors needed.
With 15 percent of electricity in U.S. buildings dedicated to