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As light passes through the cornea and lens, refraction takes place at varying degrees depending on lens shape. Objects closer to the eye have diverging light rays, thus need more refraction from the lens...

Before the 1640s, even those vehemently opposed to the politics of Charles neglected to blame him personally for their grievances. Pym, the spearhead of the Parliamentarian cause in the 1630s, was quoted ...

The two types of waves are destructive waves, and constructive waves. Destructive waves are well named, as they have a weak swash (the water that runs up the beach) and a strong backwash (the water the ru...

When presented with a simultaneous equation, you need to find out the values of the letters (commonly x and y). You might be given two equations such as: a) 2x + 4y = 6, and b) -4x - 3y = 3. The first thi...

The two main ideas that you can use in an essay are his idea of 'power behind discourse' and 'power in discourse'. He believed that social situations are shaped by power dynamics. His idea of 'power behin...