Because salt molecules dissolve in water, the charged ions that make up the salt molecules break apart, taking up heat from ...

Dhruv Chaudhary, Mithran Ladhania, and Mridul Jain — have developed a self-cooling mini fridge called Thermavault, powered by ...

The Thermavault refrigeration unit can keep vaccines cool with a reusable salt solution. The teens who built it plan to test ...

Three teens from India created a refrigerator that doesn’t need electricity to work. The creators aim to help rural areas ...

One advantage of the ammonium chloride solution ... Rather, you can remove the saltwater from the box, boil away the water, and collect the salt in its solid form, ready to dissolve in new ...

The Thermavault uses "ionocaloric cooling based on the dissolution enthalpy of ammonium chloride in water to fuel its cooling process," according to the official website. This type of system will ...

One advantage of the ammonium chloride solution, the trio of teens says, is it's reusable in the field without electricity.

Apart from the USA, only a few countries still use the Fahrenheit temperature scale. It was invented by German physicist ...