A comment posted in response to an article on Boston.com that predicted yet another day of rainfall:…
Category: Environment
Alpine glaciers are disappearing
This page on the Austrian Greenpeace site has a very powerful flash tool. Move the…
Power Factor and Compact Fluorescent Bulbs (CFL)
What is the power factor? What is the power factor of compact fluorecent bulbs? Do…
A low-cost traffic monitoring and data collection system
When I grew up in Europe in the 1970s and 1980s, there was a noticable…
