Solar-powered canisters to keep milk cool | DW English
- 7 years ago
Researchers in Germany have come up with a special solar-powered canister to keep milk cool for up to 12 hours. This could be a revolution in rural areas, where electricity is often a luxury.
More Eco@Africa: http://www.dw.com/en/top-stories/ecoafrica/s-32676
More Eco@Africa: http://www.dw.com/en/top-stories/ecoafrica/s-32676