A solar-powered cart called “watt-r” could revolutionize the way people collect water in places like rural Africa. Made with 3D printed components, the low-cost transportation device uses solar energy to power a small motor, allowing users to carry water in a more effective way.
from 3ders.org - http://www.3ders.org
viernes, 6 de octubre de 2017
2:03
MR: EDITOR
John
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