Greener Refrigeration
Albert Einstein is remembered for many scientific achievements, but, as Time magazine notes, it’s often overlooked that he also made great contributions to eco-friendly refrigeration. In 1930, Einstein and a colleague patented a refrigerator that cools with ammonia, butane and water instead of Freon, a contributor to global warming.
Although Einstein’s original refrigerator was not very energy efficient, researchers from Oxford have adjusted his plans and believe they have a version that could be competitive in the marketplace in the future.