How A Radiator Retrofit That Could Save The U.S. Billions Went From Bedroom To Boardroom

Columbia University helped grad student Marshall Cox turn a dorm room hack into a commercializable system that could slash carbon emissions by more than 6 million tons a year. In 2011, Marshall Cox was living in a university-owned studio apartment in Morningside Heights. His twin brother, a ballet dancer, was living with him temporarily while performing in a Broadway show. Sleeping near the open window, his brother complained about the cold, while on the other side of the steam-heated apartment,...