Physical Science

The Andromeda Galaxy (also known as Messier 31 or M31) is a large spiral galaxy located about 2.5 million light-years from the Milky Way. It contains about one trillion stars, and is one of the most distant objects which can…
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Mood rings, being very popular in the 1970’s, are one of the easiest novelty items to explain. Many people use them today for biofeedback and determining anxiety levels. In the days past they were used to keep a check on…
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Sodium is a metal in its pure form, but not like what you’d normally think of as a metal. It is extremely soft – so soft that you can scrape pieces off with a plastic spoon. A freshly scraped piece…
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Ethanol is an alcohol that has the formula C2H5OH. Its’ basic constituent is the Ethylene molecule (C2H6), and Ethanol is produced through a process known as hydration synthesis or can be accomplished with fermentation. ETHANOL PRODUCTION WITH HYDRATION SYNTHESIS: Ethylene…
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A meteor shower is when the Earth passes through a field of debris, which burns up in the atmosphere, creating the familiar “shooting stars”. The biggest difference, though, between this and normal meteor falls, is that during a shower there…
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Batteries are an electrochemical system that generates an electrical current by taking advantage of the electron movement between different metals submersed in a conductive liquid. This net flow of electrons provides power to electronics. They are critical to our modern,…
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I remember as a kid being very bored in chemistry class. A few experiments here and there and a mountain of equations somehow could not compel me to curiosity for molecules and chemical reactions. How unfortunate.  The worst part is…
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Mars is one of the most fascinating of the planets, and is the one that we probably know the most about, though there are still enough mysteries to make every new discovery eagerly awaited by the scientific community. Being the…
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Clinical Chemistry is one major section of the laboratory where substances in blood are tested and made use of as a tool in diagnosing diseases. Substance tested include various blood constituents, the most common of which are: glucose, creatinine, blood…
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One of the things that an amateur astronomer begins to think about soon after they begin seeing some of the interesting objects in the night sky is that they wish they could capture this on film. Of course, astronomers have…
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