
3 Indian Teens Win $12,500 Earth Prize 2025 for Inventing Salt-Powered Fridge That Works Without Electricity
Three teenagers from Indore — Dhruv Chaudhary, Mithran Ladhania, and Mridul Jain — have won the prestigious Earth Prize 2025 and a $12,500 award for inventing a salt-powered refrigerator that requires no electricity. Their creation, aimed at improving vaccine and medical supply storage in rural areas, is called Thermavault. Inspired by the challenges of delivering…