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Our will is the mother From the saints to the blasphemers Time leads the proud ones Instead of the poor in spirit We want to embrace We want to smile By the young bodies For we want it this way For it...
A second terrorist attack in 24 hours in the southern Russian city of Volgograd is triggering some serious safety fears in the run-up to the Sochi winter Olympics. At least 14 people were killed and...

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Different baits attract different animals. So before setting your live trap, find out exactly which animal is causing destruction – and what it likes to eat. For instance, cats respond most to fish,...
Hi, welcome to this next lesson. In this lesson we will talk about a few terms and symbols as well as common definitions associated with lenses. So from the previous lesson, we had learned about two...
Hi, let's try to identify parts of the optical instruments that are involved in image formation. We are going to start off with a pinhole camera. A pinhole camera is actually quite easy to...