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Updraft Tower/Chimney — the hidden solution of green power

Updraft Tower/Chimney — the hidden solution of green power

The updraft tower/chimney, with it’s variations being mist updraft, smoke updraft and solar updraft can fix climate change and give power!
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Rock Bottom to Industrial Revolution — Needed Technologies

Rock Bottom to Industrial Revolution — Needed Technologies

I wonder, what would be the least number of things/techs needed for an early-medieval village to achieve industrial-revolution levels of…
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Invatati pentru viitorul vostru

Invatati pentru viitorul vostru

Si nu va opriti din invatat!
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