Flooring can be made from any number of sustainable materials, making it, generally, an eco-friendly feature in homes and businesses alike. Now, flooring could be even more “green,” thanks to an inexpensive, simple method that allows them to convert footsteps into usable electricity.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2016/10/161020131916.htm
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