Physical Science

Interest in the meaning of orbital decay and what causes it is now on the front burner of many people’s minds because of all the satellites and space debris orbiting our planet. The old fable of Chicken Little’s “the sky…
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Each element, be it oxygen, lead, sodium or any other is made up of atoms. The atoms of any particular element are specific to that element. For example oxygen behaves and reacts the way it does because of the particular…
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Elements are the building blocks of all matter.  To understand chemical reactions, how things are formed and react to each other, one has to learn the elements. It is the very beginning of understanding chemical reactions. The periodic table is…
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A group of researchers studying the medical effects of space discovered a remarkable fact: spaceflight physically halted the accumulation of poisonous proteins that normally build-up over years in muscles as the age. Their research continued investigations of the physical affect…
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Mercury, the little world closest to the sun is hot, right? It’s so hot scientists have been claiming for years that a bar of lead would melt into a pool of lead within a very short period of time. School…
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Many people all over the world wonder if there are alien races that live on earth. Some people on earth do believe in UFOs and extraterrestrials, but still there are many who think it is all talk and exaggeration or…
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Venus is a beautiful sight to see in the evening or morning hours. Except for the sun and moon, this planet is the brightest object in the sky. Venus can easily be mistaken for an aircraft or a bright light…
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Venus presents many barriers to remote artificial exploration, not least among them its hellish temperature gradients and its opaque atmosphere filled with acid.  Data from short-lived probes that have landed there reveal that even metal machines find survival difficult on…
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Carl Sagan was an astronomer and NASA consultant from the 1950s on. He played a major role in the US space program, and his scientific achievements included solving the mystery of Venus’s extremely high temperatures, and the unusual color of…
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Persons wonder how it is possible to manufacture a plastic which is biodegradable; however, it is happening now.  There is such a material:  labeled biodegradable plastic; however, not totally biodegradable in nature.  The best term to label plastic which does…
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