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When connected in a series, components are arranged one after the other like train cars. The battery drives current through the series circuit, which is a closed loop, so the current must be the same through each resistor. Think of…
GPM stands for gallons per minute. The unit refers to the amount of liquid that is able to move through a unit in one minute. The most common use of GPM is on shower heads. Shower heads that are more…
Jellyfish and starfish are beautiful animals that share a few similarities even though they look nothing alike. Both lack brains or skeletons, and neither are fish at all. They are marine animals, meaning they live in the salt water of…
Once you notice the flickering in a fluorescent light bulb, it can be difficult to ignore the sometimes maddening effect. There are several factors that can make a fluorescent bulb flicker, and depending on the problem, you may be able…
How does spheroidal weathering occur? A type of exfoliation, spheroidal weathering occurs as a result of both physical and chemical influences. Also known as onion skin weathering, concentric weathering or spherical weathering, spheroidal weathering produces rounded boulders or round shapes…
Mathematical equations are essentially relationships. A line equation describes the relationship between x and y values found on a coordinate plane. The equation of a line is written as y=mx+b, where the constant m is the slope of the line,…
Powering an LED is not as easy as simply hooking it up to a battery. An LED has almost no internal resistance. Therefore, if you hook it up directly to a battery, it will burn out quickly as the current…
Weather fronts mark the boundaries of air masses of different properties, which don’t easily mix. A cold front marks the leading edge of a colder airmass bumping up against a warmer one. Compared with a warm front, which has a…
Given the mass of an amount of liquid water in milligrams, you may wish to know the volume of that liquid in fluid ounces. This involves the conversion of a unit of mass to a unit of volume. Performing this…
One of the most common types of airplanes in use today is the jet, which has largely replaced traditional aircraft powered by propellers. Although propeller planes still see some flying action, jets dominate commercial and private air travel due to…
