Energy/Environment How tofu salt could make solar power cheaper and safer

Researchers found that magnesium chloride, a salt used to make tofu and de-ice winter roads, can be used to make thin-film solar cells effective, cheap, and nontoxic. 

By , Staff writer

Tim Boyd/AP/File

That tofu on your plate may have more to it than protein. It may contain the recipe to revolutionize solar energy.