The National Geographic Magazine, Volume 149, Issue 3National Geographic Society., 1976 - Geography |
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Page 385
turn because of solar - heated currents of air . * Even the wood with which I stoke my fire- place is a form of solar energy . Like oil and coal , wood is merely solar power captured in convenient packaging . But the earth is fast ...
turn because of solar - heated currents of air . * Even the wood with which I stoke my fire- place is a form of solar energy . Like oil and coal , wood is merely solar power captured in convenient packaging . But the earth is fast ...
Page 389
... solar installation , solar energy can com- pete economically with other kinds of energy . In several sections of the country where fuel costs are high , such as Boston , solar already is cheaper than electric heating . A Word of Warning ...
... solar installation , solar energy can com- pete economically with other kinds of energy . In several sections of the country where fuel costs are high , such as Boston , solar already is cheaper than electric heating . A Word of Warning ...
Page 395
... solar - cell costs will spiral downward to a competitive $ 500 a kilowatt or less in the next ten years . And considering how fast the cost of elec- tronic hand ... solar cells are delivered to. Solar Energy , the Ultimate Powerhouse 395.
... solar - cell costs will spiral downward to a competitive $ 500 a kilowatt or less in the next ten years . And considering how fast the cost of elec- tronic hand ... solar cells are delivered to. Solar Energy , the Ultimate Powerhouse 395.
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American Bartlett beautiful become bell boys Brand buildings built called callosities Canterbury cathedral century changes charges Church coast collection collectors College color cost course cover designed drive electricity Elymians energy engineering face feet female frost future give glass Grades half hand heat Indiana island Italy king land less light live look miles mother mountain NATIONAL GEOGRAPHIC nature nearly Norman offer once Palermo Patagonian Photographs plant produced right whales Roger says School seen serve Sicilian Sicily side society solar solar energy South southern stands stone summer surface things town uplands wall wildlife wind winter wood Write