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Our biggest technological limitation is energy storage. Currently, batteries are inefficient, expensive, environmentally hazardous, heavy, their performance degrades significantly over time, etc. I could go on for a long time about it.
Storage capacitors have some advantages over chemical batteries as far as durability, but they lose power quickly and produce dangerous, unregulated voltages at useful wattage. They are only good in low power applications.
We have a lot of power to tap if only we could store the energy produced. Likewise, our machines are fairly wasteful of energy. Mother nature has designed ways to be frugal. IIRC, a gallon of gasoline is well over 30,000 calories! That's enough energy to keep an active average male human going for twenty days! A 175 lb person on a bicycle going 15 mph gets about 912 miles per gallon.
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Master Barbsman and wielder of the razor wit!<br /><br />There are dark angels among us. They present themselves in shining raiment but there is, in their hearts, the blackness of the abyss.
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