Moving Mountains, Storing Energy (TEDx Talk)
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This article was first published on Lenz Blog.
TedX talk by Professor Heindl on his idea of storing energy:
I have blogged about this concept before, in November 2011. I like it. As Heindl explains in this talk, it is cheap (per kWh), has a high efficiency, and a low footprint.
The only problem is that there are none of these projects built yet. It may work, but it is still an unproven concept.
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