The sun has produced energy for billions of years. Solar energy is the sun’s rays (solar radiation) that reach the earth. Solar energy can be converted into other forms of energy‚ such as heat and electricity. In the 1830s‚ the British astronomer John Herschel used a solar thermal collector box (a device that absorbs sunlight to collect heat) to cook food during an expedition to Africa. Today‚ people use the sun’s energy for lots of things. Solar energy can be converted to thermal (or heat) energy
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and disadvantages of solar power Advantages- * The energy from the sun is 100% free * Infinite energy * Solar energy is a renewable resource * Eco friendly * Less to no pollution compared to now * Does not emit any green house gasses * Cost effective in long run * Not a lot of maintenance * Most solar panel systems have long life span (30 to 40 years) * And carry full warranty of 20 to 30 years * And if you don’t like bulky solar panels there are sleeker
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While both offices hold immense political power‚ dictators and presidents rule very differently. Presidents primarily use persuasion while dictators use force to get their policies across. Presidents are elected‚ which promotes democratic freedom. On the other hand‚ dictators usually take power by overthrowing the preceding government. The president is the elected leader of a republic. The president of any country has limits to their power. These limits come from the people as well as a constitution
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traits about each one. Although the main characters of Macbeth and his wife‚ Lady Macbeth‚ are both depicted as violent and power-hungry‚ they are distinguished because while Macbeth is often more cautious and easily persuaded by his wife‚ Lady Macbeth is shown to be more resolute and influential than her husband. Shakespeare depicts both Macbeth and Lady Macbeth as violent and power-hungry through the
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influence and use of power into two categories: Hard Power (HP) and Soft Power (SP). HP is the ability to achieve foreign policy interests through military and economic power; while SP is the ability of a state to engage and achieve its objectives through influencing culture‚ social and political values. SP is the- “….the ability to do that by attraction and persuasion rather than by coercion." . SP - is not only about "the influence”‚ but is also about “appeal” or attractive power. According to Nye
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of tyranny‚ and The Constitution has a good way of protecting America from it by Federalism‚ Separation of Powers‚ Checks and balances‚ and Big States vs. Little States. One question that pops up is how does the the government divide the power between the governments so that the power is not given to just one branch of government. One way is federalism and what it does is divide the powers between the central
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Advantages of Coal Fired Power Plant By: Earl Christopher Reyes We Students had an opportunity to learn about the functions‚ the misconceptions and the advantages of having a Coal-Fired Power Plant as the source of our daily need of electricity. We had conducted a symposium with the representatives of the company (Panay Electric Company Inc.) last Thursday‚ October 19‚2011. And now we know the answers behind every inquisitions of the people of Panay region‚ and that is‚ “Is coal really the
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develop solar power because has lots of uses and is environmentally friendly‚ wind power because it
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BANNARI AMMAN INSTITUTE OF TECHNOLOGY Space Based Solar Power Plant Done By‚ R.Bakyalakshmi Nisha(II-EEE) S.Madhumitha(II-EEE) bakyalakshminisha@gmail.com smadhu06@yahoo.co.in Phone: 9486929017 9788515949
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talked about energy sources; solar and petrol. In the past several years‚ solar energy has been implemented in a wide variety of machineries; from calculators to automobiles‚ and it is considered as one of the most efficient source of power. Nevertheless‚ a number of people prefer petrol rather than solar for their source of fuel. What is the extent of the differences in those two inventions? Whereas petrol-powered cars are fueled by petrol‚
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