Among recent concerns about the use of nonrenewable fuels such as oil and coal, scientists have been trying to discover alternative ways of making energy and electricity available. Sunlight is a free, unlimited resource that hits the Earth with more energy in an hour than the people of the world use in a year. The colorful "How Do Solar Panels Work?" reveals how researchers are working on ways to harness the power of sunlight through solar panels and delves into the science behind these panels.
Just the Facts Solar System is a fact-by-fact look at our solar system, from planet Earth to Pluto and beyond. This important reference guide features statistics on every astrological body, with full-color charts, diagrams, photographs, and illustrations. Perfect for any school report!
Added by: susan6th | Karma: 3133.45 | Fiction literature | 18 December 2009
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West of Honor
Sooner or later, all civilizations age and decline, grow senile and die—either by conquest from without, or from internal rot. The final days of Western Civilization are signaled by the joining of the USA and the USSR into a ruthless and imperial state that spans first the Earth and then the Solar System. But, because it fails to hold the loyalty of its soldiers, it falters at the stars.