Roger Tayler

Roger Clarke

The search for viable eBusiness models continues. But important information is being overlooked. Discussions of open source software all too often focus on the limited context of Microsoft appearing to feel threatened by what it portrays as unbusinesslike competition from Linux and OpenOffice.org; whereas that debate is merely one small facet of the whole. Moreover, in addition to software, a g...

Roger Hanlon

Megadamania The global desire to develop energyhungry industries and Western lifestyles, combined with the necessity to do so without further increasing the use of fossil fuels, has led to a massive spree of dam building around the world. A recent assessment by Christiane Zarfl from the Leibniz Institute of Freshwater Ecology and Inland Fisheries at Berlin, Germany, and colleagues estimates tha...

Roger Hendrix

Roger Hendrix is Professor of Biological Sciences at the University of Pittsburgh and a Co-Director of the Pittsburgh Bacteriophage Institute. He got his undergraduate education at Caltech, went to Harvard for a PhD in biochemistry and molecular biology, and did postdoctoral work in the Biochemistry Department at the Stanford Medical School. Since 1973 he has been at the University of Pittsburg...

PolySets Roger

An informal sketch of the development of my ideas about non wellfounded ontologies for the foundations of mathematics.

Roger French