Physical Science

Nitrogen is a nonmetal found throughout our world. It is a common and critical component of living organisms. It’s unique properties make it necessary for life, but also as a tool and reactant in industry as well. Below is an…
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Helium (He), the second element in the periodic table has a very stable atomic structure. It is the second most common element in the universe with an abundance of 72,000,000 ppb by atoms. Only hydrogen is more common. Helium atoms…
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Batteries are a nearly US$50 billion industry worldwide and are a necessary component of gadgets and toys worldwide. At the heart of the battery is the voltaic cell, an electrochemical system that generates an electrical current by taking advantage of…
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A corn plastic, more scientifically known as Poly lactic Acid (PLA), is biodegradable polyester made mainly from the renewable resource corn starch (Royte, 2006). Corn plastic is an eco friendly plastic which can replace the non-recyclable PET plastic which is…
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If chemistry is about reaction, then fluorine stands out as its star performer. Nothing enters into chemical reaction with more vigor than elemental fluorine. Chemists now declare that fluorine forms compounds with every single element except neon and helium, the…
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Gold is a very rare substance that makes up only 5/1000000 of the Earth’s outer layer.This is like saying 10 million m’n’ms represented the entire world’s outer crust, only five of them were made of gold Its rarity and its…
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The atomic second is the precise definition of the modern unit of time known as the second, measured as the amount of time it takes an atom of cesium to vibrate, or shift between two ground states, exactly 9,192,631,770 times….
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At some point in every childhood there seems to be some commonalities. It seems the wish of most children is to exchange secret messages that no one else can read or understand.  The idea of invisible ink is intriguing. It…
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The thirty-fifth element of the periodic table has properties that are immediately evident if you have a quality periodic table at hand. Bromine (pronounced as an angry younger sister might declare while pointing: “Bro Mean!”) is both a member of…
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Helium is the second element of the periodic table in the noble gas family. It is also known for being inert, which means it generally does not react with any of the elements. Helium also has the distinctive characteristic of…
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