By: Keith Hamburger
The Chicago Electric dual drum rotary tumbler is a product manufactured for and sold by Harbor Freight Tools. Often derided for “cheap” tools imported from China, certain products are simple enough for this company to be an ideal source. The dual drum rotary tumbler...
The different types of alloys
By: Jesse Vorton
The first alloys were made sometime during prehistoric times, perhaps soon after people first learned about metals. These alloys were made of metals that were bountiful and easy to melt, i.e. copper, lead, tin, and zinc. Bronze, being the first strong alloy, was probably...
How newly found mineral deposits could transform Afghanistan into one of the world's largest mining countries
By: Elizabeth M Young
The recent mineral finds in Afghanistan are allegedly compliments of American geologists and some Pentagon officials. The discoveries are the results of geological studies that went on years ago in addition to some more recent explorations. There is some suspicion about how the discovery and...
The wealth of Australia's mineral and fuel resources
By: Allan Taylor
Australia is the lucky country. Its mineral and fuel resources are enormous by any standard. It has a land area about the same size as continental USA, with a population of 22 million, which is concentrated in five large cities located on the coast. The...
By: Elizabeth M Young
Opals, especially Fire Opals, are the hottest new gemstones, but their fame and desirability goes back through the centuries. They are intense, colorful and astounding when incorporated into jewelry designs. There is intensity and in some cases, movement of color inside of the gemstone, as...
By: Janet Grischy
Almost everywhere that drillers find crude oil, they find it under a pocket of gas. Still more gas is dissolved in the oil. When drillers go deep, the gas may be under pressure that causes it to shoot to the surface, as it did at...
By: Diamond Channing
There are numerous kinds of inclusions that can be found in colored gems. Some inclusions are always found in certain gems and other inclusions are never found in others. This can help with identifying a gem. The next described flaws are some of the more...
How planet Earth was formed
By: Slawomir Puk
This has been puzzling scientists for many years and has still not been satisfactorily answered even with all our advance technologies we currently have. Many different ideas have been suggested, ranging from the hand of God to the ‘Big Bang Theory’. ‘Big Bang&rsquo...
Weight and the center of the earth
By: Slawomir Puk
While we know a good deal about the composition and structure of the interior of the planet it is much more difficult to understand how we can gain such knowledge. In earthquakes we see what happens to the waves from them, these waves may be...
By: Annalyn Andriyenko
The refractometer, what is for and why do we have it? What does it look like and what is the history behind it? Here is a quick run down on why we have refractometers, how it was born and what it looks like anyway. The...

 

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