3 teens invented a salt-powered refrigerator that doesn't need electricity

3 teens invented a salt-powered refrigerator that doesn't need
electricity. They're building 200 of them for hospitals to use.

https://www.msn.com/en-us/health/other/3-teens-invented-a-salt-powered-refrigerator-that-doesn-t-need-electricity-they-re-building-200-of-them-for-hospitals-to-use/ar-AA1D3F9f

https://www.msn.com/en-us/health/other/3-teens-invented-a-salt-powered-refrigerator-that-doesn-t-need-electricity-they-re-building-200-of-them-for-hospitals-to-use/ar-AA1D3F9f?ocid=msedgntp&pc=ACTS&cvid=c0e241af4b274e3eb21bb51d403204de&ei=35