Three teenagers designed a mini refrigerator that cools itself with salt and doesn't require an outlet. They're bringing it to hospitals to help transport medical supplies to rural areas without ...

Three teens from India created a refrigerator that doesn’t need electricity to work. The Thermavault uses salt to stay cool. The creators aim to help rural areas that don’t have access to electricity.

Three teens built a salt-powered fridge to help bring vaccines and medical supplies to rural areas. The invention uses salts that pull heat from their environments when they dissolve in water. They ...

Add Yahoo as a preferred source to see more of our stories on Google. Three teens built a salt-powered fridge to help bring vaccines and medical supplies to rural areas. The invention uses salts that ...