Another interesting technology source I found in the news today:
The supply of water to the area is irregular, so the school has an innovative system that recycles rainwater and uses seesaws and merry-go-rounds to pump water. It also uses solar power and has landscaped gardens that supply vegetables for school meals.
If we harnessed all children's playgrounds around the world to pump water and/or generate electricity... I think we just stumbled onto something good! It's like one of those renewable energy sources you hear about on the news!
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