Category : Science and TechPublished on: April 28 2025
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Three teenagers from Indore, India — Dhruv Chaudhary, Mithran Ladhania, and Mridul Jain — have developed a self-cooling mini fridge called Thermavault, powered by salt instead of electricity.
The invention was inspired by their families’ involvement in the medical field and the challenges faced during the COVID-19 pandemic in transporting vaccines to remote areas lacking electricity.
Their salt-powered fridge uses a chemical process where salts absorb heat when dissolving in water, effectively cooling the interior without external power.
