By: Slawomir Puk
Most modern coins are mode from the cheaper, more plentiful metals such as copper and tin – the ‘base metals’. Among these, pure copper is occasionally found inside rocks and is know as ‘native’ copper. Most commonly, it is found in ores in...
Overview of the construction of oil rig platforms
By: Slawomir Puk
Building huge structures on water developed through the need to extract oil and gas from fields that lie under the ocean. Altogether there are now more than 1,500 oil platforms stationed in the oceans of the world. The North Sea and the Gulf of...
The case for respecting the Earth
By: Daniel Rourke
Earth. Arguably the most majestic and fascinating body within our solar system. But why? Is it because of the ability to sustain an oxygen rich atmosphere through the evolution of photosynthesising plants? Or the fact that water can exist as a liquid state and be...
How the world's helium is being depleted
By: Art Young
The world, it seems, is running out of helium – not this popular online content site but rather the inert and surprisingly important gas. Normally, this would only concern those party planners who use helium to inflate balloons or the juvenile pranksters who inhale the...
By: John Brown - 591004
I skip talking about the physical properties and other characteristics of this Nobel gas, Helium. Let's go directly to the usage of this gas: During 2004, the estimated value of Grade-A helium (99.995% or better) extracted domestically by private industry was about $280 million...
By: James Bond - 593622
GLOBAL HELIUM RESERVES There have been a number of press articles saying the world is running out of helium recently. These articles all seem to be based on one so called expert (Cornell professor of physics Robert Richardson), who is probably paid by those companies...
The case for respecting the Earth
By: Christyl Rivers
Earth is not one thing. For humanity, Earth is everything. At least, it is until we somehow download our intelligence into self replicating computers. Even then, those computers will require some earth resources to “be.” Everything that we know, even as we...
Environmental exposures and health: Parkinson's disease
By: John Louie Ramos
Named after renowned medical researcher James Parkinson, the Parkinson's Disease better known as PD in medical circles is a rare degenerative disorder of the central nervous system that affects motors skills, speech and similar bodily functions. To some extent, Parkinson's disease can also cause some...
Can science save the planet?
By: Christyl Rivers
Science cannot save the planet. Humanity can not save the planet. Only the planet can save the planet. Earth as a system has weathered many die offs in her time. This time is only different, in that it is caused by humankind. If the question...
By: Elizabeth M Young
Water runoff is one of the most assured, persistent and powerful forces on the surface of the Earth. It is water runoff that has created most of our sand and soil, that has changed whole landscapes and worked on massive mountain ranges. Water runoff is...

 

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