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To learn more about electric motors, read the following articles.
Hydro turbines, the oldest and also the mostly used renewable energy source, hold the highest efficient of power conversion process. The potential head of water is available next to the turbine, so there aren't any energy conversion losses, exactly the mechanical and copper losses inside the turbine and generator and the tail end loss. The efficiency is inside the range of 85 to 90 %.
Blue whales, the greatest creatures in the good reputation for our planet, are sustained by tiny krill. Perhaps the Earth's bottomless appetite for classic fuels can be satiated by something even smaller. Algae will be more than just the scum in addition to the pond. When properly utilized, algae can produce fuels, chemicals and materials which are better and cleaner than petroleum-based ones.
Note that the epoxy adhesive curing speed varies based on temperature. At higher temperatures it dries faster, but has less resistance and firmness. During the winter you might also leave a short while in double boiler pots, and then try to take certain temperature (not to be in excess of 30 degrees whatsoever), like too cold, the fabric grows more complicated, thus a viscous mix.
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