Times of IndiaLean R·
In 2022, MIT researchers built a 4-inch cooler that kept food fresh without electricity
Read at Times of India →
<iframe src="https://hindustansphere.com/embed/cluster/dc73ec0781897b068fc1b3a29ae362f8d5afb67c" width="100%" height="320" style="border:0;max-width:680px" loading="lazy" title="In 2022, MIT researchers built a 4-inch cooler that kept food fresh without electricity"></iframe>