Physical Science

On September 15, 1982 Jeannie Saffin’s body was found in her house. Her body from her head down to her knees had completely disintegrated into ashes. To make this situation more mysterious, nothing around her was burned. Jeannie’s house was…
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Fireworks are what make the fourth of July such a fun holiday. They are fun for the whole family but can also be dangerous if not used properly. Reading and fallowing the safety warnings on all fireworks you intend on…
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For centuries, fireworks have been marking the spectacular moments in our lives and in history.  Most commonly associated with the Fourth of July fireworks are an extravagant form of celebration. The invention of the firework has been credited to the…
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The planet Venus has two popular nicknames—the “morning star” and the “evening star.” Venus was called the “morning star” when it rose in the morning; and the “evening star” when it rose in the evening. The ancient Greeks, Romans and…
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Many people share the fear that in years to come an Asteroid will collide with the planet and either end life as known or kill countless billions. The real concern however should be, if an asteroid was to have a…
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Cadmium (atomic symbol Cd) is a very soft metal, similar to zinc. It is atomic number 48, group 12 and period 6, positioned directly under zinc on the periodic table. It is one of the 38 elements in groups 3…
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The words vapor and gas are used interchangeably throughout science. In fact physically and chemically, there is no difference. Gas is used in a more general setting, whereby the word vapor is used to talk about one certain phase of…
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The world held a collective breath.  The first human being to touch upon another world carefully stepped down from the lunar module, Eagle.  “That’s one small step for man, one giant leap for all mankind.” Said Neil Armstrong, American, astronaut, courageous…
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Orbital decay occurs when a satellite or other body in orbit begins to fall into lower and lower orbit as time goes on. There are several reasons for this but the most important is loss of orbit due to friction…
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Once the sole pioneers in space, the United States space agency (NASA) now readies to mothball its manned space vehicles with just two flights remaining in the Space Shuttle program. The agency will now abandon its mission in space for…
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