Physical Science

Educational gifts are either bang or bust. Knowing what to look for can seem daunting. I’m here to help you. This article is oriented towards educational children’s gifts in an age range of 4-10 yrs old. OPTICS Even though we…
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DDT is, technically, dichloro-diphenyl-trichloroethane, a chemical compound that was produced in a Scottish laboratory in 1873 by Othmar Zeidler. In 1939, Paul Mueller, working in Switzerland, discovered that DDT was in fact an insecticide, and was awarded the Nobel Peace…
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Saturn is the sixth planet from the sun, and the second largest in the solar system. Its equatorial diameter is 119,300km (74,130 miles). Much is known about Saturn because of the voyager explorations, which were in 1980-1981. A day on…
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If the Apollo moon landing as real why are we not duplicating it? My son, who is not a rocket scientist or space expert, but is very good at finding information on the net, visited the NASA web site and…
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There are three major sources of salt, two originating from saltwater, which are evaporation and desalination, the odd one out’s source being a mine that produces table and rock salt. In the 1800s, a high quality salt was produced from…
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For the people that look to the stars a telescope is the perfect gift. Choosing one can seem a bit confusing, but don’t worry I’m here to clarify. A telescope is comprised of two important parts a focal lens that…
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Rutherford Scattering is common place in physics classrooms of schools and colleges all over the world, his very simple experiment shaped our whole views on science, he effectively discovered the nucleus, without this ground work the majority of modern day…
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The Modern Genesis The Big Bang Theory is a wonderful story, on many levels. It is a story of human achievement. It is a story of the wonder of discovery. It is the story of our closest pass to understanding…
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Most of the talk and the ideas surrounding robotic and human space exploration, especially within the solar system usually revolves around Earth’s moon or Mars. For obvious reasons. The Moon and Mars are far closer and seemingly more hospitable to…
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There are two types of explosives.  Low explosives and high explosives.    Gun powder, in a bullet cartridge, creates a relatively slow reaction and low pressure.  It is considered a low explosive.  It’s the expanding gas that discharges the object from…
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