After reading
this and
this article at your leisure, I thought about the issue of renewable energy sources. And I had some ideas.
In fact, energy surrounds us in everything, everywhere and always, you just need to learn how to extract it from the world around it. Already there are all sorts of wind turbines that use the energy of the movement of air; tidal power plants - tidal energy; solar panels - the energy of the sun. The list can be continued a little more; I hope that in the near future it will be significantly enhanced.
And to supplement the ego can be through human activity. In fact, we constantly give energy to the world around us, doing mechanical work: we walk, run, climb stairs, talk (try continuously yelling for 10 minutes!), Play sports, fidget on chairs. Scientists have already learned how to collect some of the energy that we donate, as described in the articles mentioned above. But all this is just crumbs. In this area you can invent a lot of things.
For example, why not put simulators that collect free energy in sports halls and fitness centers? Here
there is a calculation of how much energy a person spends on lifting a weight of 100 kg. I think the medium-sized room will be able to fully compensate for all its electricity costs.
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Who else has any ideas on this issue? What other human actions can be used to extract energy benefits?
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