Beginner's guide to copper electroplating
By: Brian Dodson
Electroplating is a widely used technique to deposit a layer of a first metal on an object made of a second metal. The discovery of the Parthian batteries suggests that electroplating may have been developed some 1500 years ago in Mesopotamia. However, the first solid...
Why carbon is the basis for so many compounds
By: Madhusoodanan K.P
Due to its atomic structure as well as chemical and physical properties, carbon is a very unique non metallic element in nature. It has an atomic number of 6; atomic weight of 12.01 and a melting point of 360ºC. As part of its...
Everyday examples of gases
By: Mishra Planeswalker
A gas is the third state of matter, where inter-molecular bonds are few and far between. This means that gas molecules are free to move around, rotating, vibrating, and translate themselves through space. Gasses are usually invisible, which means that many people may not know...
What causes a change in the state of matter
By: Mishra Planeswalker
Have you ever wondered why when the temperature is -10 degrees Celcius, you may still find liquid water? Or why does a bot of boiling water not completely evaporate when its temperature reaches 100 degrees Celcius? The answer to these problems and many more is...
Can black holes be characterized?
By: Brian Dodson
Although most people have some notion of what a black hole is, you can’t decide on how to characterize one without a precise definition. Such a precise definition is known in general relativity, but the details are too complex for this essay. Roughly, however...
Defining chemical reactants
By: Mishra Planeswalker
Every minute of every day in our physical universe, chemicals react with one another. Some of these are beneficial to humanity and save lives, while others have the potential to destroy entire empires and civilizations. A chemical reaction is a simple process whereby one or...
By: Alison Bowler
The Noble Prize winner Ernest Rutherford was born on 30 August 1871, in Nelson, New Zealand. His parents, James and Martha had a large family of seven sons and five daughters. Ernest was their second son and fourth child. At age 15, he obtained a...
By: Rick Bavera
Gold: Royalty among the Elements Gold has been known since prehistoric times, and is mined on all continents except Antarctica. It has been highly valued and treasured ever since its prehistoric discovery. Because of its relative rarity (it is the 75th most common element) and...
By: Ian Farquharson
Most people generally know about the precious metal silver through rings, necklaces and other pieces of jewelry and this is one of the common uses of the metal. However it can be also be utilized for many other purposes and is a metal that has...
The real meaning of blue moon
By: Megan Stoddard
A blue moon is a phrase with multiple meanings, all of them implying something rare and special. In seeking out the real meaning of blue moon, astronomy and the calendar walk hand in hand with religion, farming, and culture, joined by semantical mistakes. Currently, a...

 

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