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Stage Physics

Almost every stage production uses a pulley system or some sort of rope system to suspend something. Whether it be a curtain, backdrop, or even an actor, using counter weights to hold something up is an old practice. Ropes are all brought down from the ceiling to a row along the wall, over pulleys. These ropes have a plate with vertical pipes on the bottom, and the weights rest on top of the plate. The other end is attached to a horizontal bar on the stage, which multiple things can be attached

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Demolishing Buildings

Everything that goes up must come back down. This is true for everything affected by gravity, including buildings. Demolishing buildings is actually a business, because of how complicated it can be. Sometimes just a bunch of heavy equipment and a few machines will suffice, but with larger buildings like offices and skyscrapers, keeping,the rubble inside the lot as it collapses is a big deal. The way this is done is usually by using controlled explosions going off in sync. The way these expl

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Microphones and Speakers

We use microphones all over the place, and most people have one or more on them at any point in time. Most work on a fairly simple concept, using 2 plates. One of them is much thinner than the other, and acts as the diaphragm, the part that moves as a result of sound. The other one is thicker, and works to make the 2 plates into a capacitor. The sound waves change the distance between the two plates slightly, and therefore changes the capacitance of the system. These changes in capacitance are m

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EMDrive

Space travel has used many unique forms of propulsion, such as solid fuel rockets, liquid fuel rockets, ionic thrusters, etc. The newest type is still debated as to whether or not it is even possible. The EMDrive seems to break the laws of physics, as it outputs more energy than it takes in. The inventor sent a prototype to NASA to be tested to confirm his claims, and their tests confirmed it. This whole concept has yet to be accepted, as it is such an outlandish thing, but it is currently being

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Car Suspsension

Ever since the earliest days of the car, suspension systems have been in use to keep the ride comfortable. Seeing as how commonplace it is for cars to have good suspension nowadays, we often take for granted just what these systems do to make our daily that much more comfortable. There are many different kinds of suspension, almost every kind involves a sort of spring. The earliest system to be used in cars was a simple spring on the frame connecting to steering frame, allowing for some amount o

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