Physical Science

John Glenn is an outstanding example of a man plentifully endowed with ‘the right stuff’. Born John Herschel Glenn Jnr on July 18th 1921, in Cambridge, Ohio, he was raised in New Concord and enjoyed a childhood he recalled as…
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Eons ago (or decades at least), iodine was commonly found in the medicine cabinet, used to sterilize cuts and scrapes. It has been replaced in this role by less harmful products, and as a result, people are less familiar with…
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Before beginning to relate the two legends of the sun that I have chosen from the many that abound in every culture on the planet I believe it is important to say a quick work about legends in general. They…
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Rock tumbling is an interesting hobby that yields truly beautiful shiny stones out of ordinary looking rocks. It is a means of doing something similar to what nature does with the actions of a river or surf, in a much…
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Ethanol is alcohol by another name. There is more than one kind of alcohol, but ethanol is the kind humans drink. To make it, vintners ferment grapes, and vodka makers ferment and distill potatoes or grain. Fermentation may have been…
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Performing a titration is one of the most essential processes that is performed in laboratories by modern chemists.  Simply put, a titration is a very controlled reaction where the presence of one reagent is limited meticulously.  When performed correctly, a…
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The element Arsenic was name for the Greek word assenikos, which means male. It was discovered in 1250. Its use through the ages was mostly as a rat poison and also a nerve gas. It is not a metal, as…
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All matter in the universe is composed of atoms. There are 92 naturally occurring types of atoms, representing the basic chemical elements. In addition, there are 26 elements predicted to exist as of March 2008. Of these, 25 have actually…
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A gas is the third state of matter, where inter-molecular bonds are few and far between.  This means that gas molecules are free to move around, rotating, vibrating, and translate themselves through space.  Gasses are usually invisible, which means that…
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The stars are mostly made of hydrogen. Not entirely though. The sun, for example, is only 91.2 percent hydrogen atoms. It converts hydrogen to helium atoms, in a fusion reaction that gives off the energy that powers all life on…
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