Waterjetting 1b - Force, Pressure and Flow volume.

This is the second in a series on some of the ways in which high pressure water jets can be used. The series was introduced last week . Ba...

OGPSS - China's coal industry

In this run-up to the election, the American Energy future seems to have faded into the quiet background. Gone are the concerns of past yea...

From Cro-Magnon man to Celt

There are now a couple of different themes running through this short series of posts on DNA and what it means in the search for our ancesto...

A New Series - Waterjetting 1a

In October of 1965 I started work on a doctoral dissertation that would look at whether streams of high-pressure water could be used to mine...

On coracles, Partridge, the Mandan and the Inuit

A Passamaquoddy Legend : In ancient days Partridge was the canoe-builder for the other birds. And after he had finished all the canoes, he ...

OGPSS - Chinese gas shale development

On occasion, the British Government goes through an internal shake-up that leads to various pundits trying to explain to us lesser mortals w...

Paleo-Indians, the Clovis point, Solutrean point and X2 mtDNA

When I began this little study of human history I started because of a curiosity as to when Europeans first came to the Americas . The gene...