Wireless Power Transmission for Solar Power Satellite (SPS) (Second Draft by N. Shinohara) 1. Theoretical Background It is known that electromagnetic energy also associated with the propagation of the electromagnetic waves. We can use theoretically all electromagnetic waves for a wireless power transmission (WPT). The difference between the WPT and communication systems is only efficiency. The Maxwell’s Equations indicate that the electromagnetic field and its power diffuse to all directions. Although
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Earth is the only planet in our solar system that sustains life‚ and therefore one of the most intriguing planets because of its capabilities. Each of the seven other planets that orbit the same sun as Earth is interesting in its own way. Some planets share similar characteristics to those found on Earth‚ while other planets are completely different. An analysis of these terrestrial bodies‚ using comparative planetology‚ will allow us examine these qualities. However‚ before beginning such a process
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Already‚ the sun’s contribution to human energy needs is substantial — worldwide‚ solar electricity generation is a growing‚ multibillion dollar industry. But solar’s share of the total energy market remains rather small‚ well below 1 percent of total energy consumption‚ compared with roughly 85 percent from oil‚ natural gas‚ and coal. Those fossil fuels cannot remain the dominant sources of energy forever. Whatever the precise timetable for their depletion‚ oil and gas supplies will not keep up
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Advantages and Disadvantages of Solar Energy In today’s world‚ pp seem worried about alternative energy demands in the future when we run out of oil.In addition the oil prices seem to fluctuate everyday due to world’s circumtances.Therefore‚scientists are searching for another energy that is more economical and solar energy is an answer.It’s a inexpensive‚renewable and pollution free and eco-friendly to solar energy‚ but pp can’t deny the initial costly price‚ unavailable at night and influence of
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The Solar System The solar system still to this day one of the most fascinating subjects of study in the science world. In our time‚ we are one of the first generations to see the planets of our solar system up close‚ and we have been able to view evolution of these planets through time. Our solar system consists of a middle aged star called the Sun‚ 9 planets‚ about 100 moons‚ thousands of asteroids‚ millions of icy bodies‚ and many comets revolving around all of it. We can begin by looking
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Nanosolar Inc. Case Study Analysis Nanosolar is a start-up company and expects to be one of the first manufacturers to produce thin-film solar panels using copper indium gallium (di)selenide (CIGS) technology. Nanosolar is focused on selling a single type of thin-film Photovoltaic (PV) module called the “Nanosolar Utility Panel”. The utility panel is 50% less energy efficient than c-Si modules‚ but being 90% less expensive to produce. Strategic Options: (1) Continue to invest in European and
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biomass‚ hydropower‚ geothermal‚ wind and solar. Solar energy is provide by the sun in the forms of sunlight and heat‚ has been utilized the least even though it is probably the most accessible. However‚ solar energy holds a number of benefits for societies and it has already proven to have positive effects on residential homes and industrial applications. For many years‚ solar energy has been the economic choice for use in many industries where power is required at remote locations without government
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Solar Energy‚ usually refers to the sun radiation Energy‚ in the modern society‚ generally used for power generation. Since the earth created creatures‚ those creatures depended on the heat and light of the sun‚ band also human beings knew to dry the objects in the sunlight‚ by which they kept food‚ such as salt-making and drying of salted fish‚ etc. But with the reduction of fossil fuel resources‚ then people are disposed to develop solar energy further. The methods of solar energy using include
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describe the major levels of structure (such as planet‚ star‚ galaxy) in the universe. Planet: (a) Orbits a star‚ (b) large enough for its own gravity to make it round‚ (c) has cleared most other objects from its orbital path. Sun: The star of our solar system. Star: Large‚ glowing ball of ignited gas that generates heat and light through nuclear fusion in its core. Galaxy: A great island of stars in space‚ containing a few hundred million or trillion stars held together by gravity‚ orbiting a
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The Effects of Gravity There are some people who worry that when they ’re outside‚ if they don ’t keep a good grip on the ground‚ they ’ll just go flinging off into space. They needn ’t really worry about this‚ because gravity generally keeps that sort of thing from happening. The thing is‚ no one is really sure what causes gravity‚ but the effects have been studied by many physicists and astronomers. Three of the more obvious effects of gravity are things falling down‚ weight
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