Oil and natural gas companies rely upon geological core analyses to help them understand and evaluate oil and gas reserves.

CHARLESTON, W.Va., June 15 /PRNewswire-USNewswire/ -- The Federation for American Coal, Energy and Security (FACES of Coal) released a video on its website, www.facesofcoal.org, today explaining in easy-to-understand terms and examples why the use of conductivity is an ill-advised and inappropriate measure for water quality impairment.

A great deal of work has been done into understanding the physical properties of amorphous carbon (a-C). These studies have found the relative ratio of different carbon phases strongly determines the physical properties of the material.