Einstein's design required no electricity and had no moving parts. Although it was less efficent at the time, Malcolm McCulloch, an electrical engineer, believes he may be able to quadruple the efficiency.
Einstein's design required no electricity and had no moving parts. Although it was less efficent at the time, Malcolm McCulloch, an electrical engineer, believes he may be able to quadruple the efficiency.

Albert had the right idea, but he must have gotten too busy with other things and lost interest. Now there may be hope for millions without refrigeration.
Scientists are redeveloping one of Einstein's 1930 inventions, a refrigerator that could run without electricity and greenhouse gases.
Cute animation to promote the 7steps against global warming