Teens Win 2025 Earth Prize for Refrigerator That Runs on Salt – 200 are Headed to Hospitals to Preserve Medicine

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

Source: Teens Win 2025 Earth Prize for Refrigerator That Runs on Salt – 200 are Headed to Hospitals to Preserve Medicine

Very cool. (No pun intended.)