TOP 100 CAMPING SITES
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| Powerful quake rocks Honduras, 4 confirmed dead A powerful earthquake struck off the Caribbean coast near Honduras this morning, leaving four or more dead on shore, and injuring 40 others. [More] rss.sciam.com |
Scientific American recommends 3 books about the moon The books highlighted below commemorate the 40th anniversary this month of the first manned landing on the moon.Painting Apollo: First Artist on Another World [More] rss.sciam.com |
Renewable energy also better for workers' health Mining is the second most dangerous occupation in the U.S., averaging roughly 27 deaths for every 100,000 workers per year. That's nearly nine times higher than the overall fatality rate for U.S. industry as a whole, according to data from the U.S. Census Bureau ( pdf ). [More] rss.sciam.com |
Solar snafu: The contractor finally installs the panels, but goofs Editor's Note: Scientific American 's George Musser will be chronicling his experiences installing solar panels in Solar at Home (formerly 60-Second Solar). Read his introduction here and see all posts here . The first message I got from my wife last week was happy news indeed: “Solar guys are working on our roof!” As readers of this blog know, we’d started the process of installing solar panels back in February , and we had no idea what were getting ourselves into. The red tape for the state and utility subsidies took through the end of May. Then we had to get our roof restored, which added a couple of months. In early July, I told myself, the wait was over. How wrong I was. [More] rss.sciam.com |
South Asian Threat? Local Nuclear War = Global Suffering (preview) Twenty-five years ago international teams of scientists showed that a nuclear war between the U.S. and the Soviet Union could produce a “nuclear winter.” The smoke from vast fires started by bombs dropped on cities and industrial areas would envelop the planet and absorb so much sunlight that the earth’s surface would get cold, dark and dry, killing plants worldwide and eliminating our food supply. Surface temperatures would reach winter values in the summer. International discussion about this prediction, fueled largely by astronomer Carl Sagan, forced the leaders of the two superpowers to confront the possibility that their arms race endangered not just themselves but the entire human race. Countries large and small demanded disarmament.Nuclear winter became an important factor in ending the nuclear arms race. Looking back later, in 2000, former Soviet Union leader Mikhail S. Gorbachev observed, “Models made by Russian and American scientists showed that a nuclear war would result in a nuclear winter that would be extremely destructive to all life on earth; the knowledge of that was a great stimulus to us, to people of honor and morality, to act.” [More] rss.sciam.com |