Science Now! A look at the LIGO experiment

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On February 11, 2016, in front of a world wide audience, scientific history was made. Scientists from around the world announced that gravitational waves had been detected using twin LIGO detectors located in Washington and Louisiana. LIGO, which stands for the Laser Interferometer Gravitational–wave Observatory, is a collaborative experiment involving scientists from some of the leading research institutions in […]

Tutorial Eight: How things move (Part 3)

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Tutorials six and seven introduced the translation transformation, also called the Newtonian equation. The Newtonian equation, which forms the foundation of classical mechanics is extremely useful and describes how objects move from one place to another. Answering questions about positions is extremely useful. Modern Mechanics, a model we’ll introduce shortly as a superset of classical mechanics and a replacement […]

Tutorial Six: How things move (Part 1)

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One of the most interesting aspects of physics is that it helps to describe how things move.  This characteristic builds upon a mathematical foundation called geometric transformations.  While this name, geometric transformation, sounds complicated, some of its most important ideas are actually quite easy to explain. Imagine for a moment that you need to open […]