The Continental SuperGrid concept

The Continental SuperGrid concept for distribution of hydrogen and electricity that we have aided and abetted is gaining attention. An AP story in USA Today: https://www.usatoday.com/tech/news/techinnovations/2003-04-10-super-grid_x.htm A Science Daily news

Illinois Crop

The New York Times reported 8 December that USA corn yields have risen 31% since 1995. Despite the drought in Illinois in the summer of 2005, that State produced a…

Soy el arbol!!

In Chile in early January we visited some of the world’s largest tree plantations as well as the wondrous intact indigenous forest of Isla Mocha. Thanks to Savithri Narayanan for…

Bi-Logistic Growth

PS Meyer. Technological Forecasting and Social Change 47: 89–102 1994

…a logarithmic y-axis produces a straight line, and Dt and tm can be easily read off this plot if the corresponding percents of saturation are marked. Plotting the logistic linearly also facilitates the rapid…

Matt Ridley on Peak Farmland

…of cropland use, gazing at a wide expanse of land that will be spared for Nature.” If not for biofuels, say scientists, farmland usage would already be declining. Jesse Ausubel…

CCSTG

PHE helped convene a November 2002 reunion of participants in the Carnegie Commission on Science, Technology, and Government (1988-1993). To read comments reflecting on the work of the Commission and