Physical Science

A micrometeorite is a tiny piece of space dust which has somehow managed to survive passage through the atmosphere. They are no more than 1/8 inch across, and most micrometeorites are much smaller. They were usually once part of a…
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As a teacher, Christa shaped the minds and inspired thousands of children. As an astronaut, she became the first teacher in space and was a hero to many despite her tragic death. Even today, misery and grief from her death…
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For thousands of years, mankind has looked into the clear night sky and created stories from the pictures, made of stars, they saw in the heavens. The most well known group of constellations is the zodiac. The zodiac is a…
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Hydrogen bombs and the sun have a lot in common. The star we call the sun is in it’s main sequence, that is the hydrogen as began fusion, just like in a nuclear explosion. Once the density of the hydrogen…
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John Glenn became an instant celebrity when he stepped from the “Friendship 7” spacecraft in 1962. He was the second man to ascend into space and the first to man a spacecraft bearing the emblem of the United States of…
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For thousands of years it has been known that planets and stars are two distinct classes of celestial object. The very word “planet” is derived from a Greek term of similar pronunciation meaning “wanderer.” Why wanderer? Because the planets moved…
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The periodic table is an organization of all the known elements (including those only synthesized in a lab). Each box on the periodic table represents an element and includes the chemical symbol, atomic number, and average atomic mass. The chemical…
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An American astronaut, university professor, naval aviator, and test pilot, Neil Armstrong was a truly extraordinary man. His most impressive accomplishment out of hundreds was being one of the first men to set foot on the Moon. However, he started…
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All of my life I have learned that Science can be informative as well as entertaining. And I think that’s why it was my favorite subject in school. You can do so much with a little knowledge of what’s what…
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Zeolites are complex and beautiful hydrated inorganic structures that can best be described as molecular sieves since they can selectively separate gases and liquids on the molecular level by virtue of inherent supramolecular cage structures. The principle chemistry of these…
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