20190601 - Cheap solar panel and battery will change the world

https://www.youtube.com/watch?v=P0E5vYeoYdQ




After watching the video above, I realized that cheap solar panel and battery will change the world.

If the energy price is cheap enough (and no extra green gas is generated), farmers can use it to grow plants for whole year.

Potato, etc. can save human kind from famine.

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