January 24, 2015 Physical Science
Two basic principles guide the Search for Extra-terrestrial Intelligence (SETI) and the debate about whether we are truly alone in the universe. The first, the Drake equation, is generally an optimistic calculation that there should be numerous alien civilizations alongside…
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January 24, 2015 Physical Science
Renewable energy comes in many forms including solar, geothermal, wind and hydroelectric. Renewable energy is energy is energy generated from natural resources, and is better for the environment, cost effective and more energy efficient than most of the energy being…
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January 24, 2015 Physical Science
Why Objects Float? The reason an object floats is due to the object’s density in relation to the density of the liquid or gaseous material it is emerged. An example of an object floating is a hot air balloon. The…
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Nocturnal creatures are those who remain active in the darkness. The green sea turtle is one of these nocturnal creatures. This is a large turtle that lives in the tropical and sub-tropical sea around the world and preys on jellyfish….
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January 24, 2015 Physical Science
A Faraday cage is generally used to block electromagnetic interference (EMI) from sensitive electronic equipment. It is an enclosure formed by a solid or fine meshed conductor. Michael Faraday in 1836 discovered an electrical charge resided on the outside of…
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Frogs belonging to the Myobatrachidae family are unique and are only found in Australia, New Guinea, and Tasmania. This family includes up to 100 species that are both currently living and extinct. All species of frogs of this family are…
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January 24, 2015 Physical Science
The Plain Folks’ Guide to Plasma Power Perhaps you’ve heard the words “fusion” and “plasma” intertwined with “limitless energy” and “harnessing the power of the sun”. Maybe you wonder if it’s true, or just some impossible dream being chased by…
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The box jellyfish, or cubozan, is the perfect killing machine; it is so loaded with toxin and can kill a human being more quickly and easily than any other creature on earth. The most fleeting touch brings an agonising death…
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January 24, 2015 Physical Science
Regardless of NASA cutting back on its space program, space projects will still be a prominent part of scientific endeavor in the first half of the 21st Century. The New Space Powers New economic giants such as China will be…
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Ranidae is one of the five families of frogs and toads that belong to the order Anura. Known as the true frogs, there are over 600 species of frogs found world wide that are part of this family. The remaining…
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