(AP) -- Just as John F. Kennedy set his sights on the moon, Al Gore is challenging the nation to produce every kilowatt of electricity through wind, sun and other Earth-friendly energy sources within 10 years, an audacious goal he hopes the next president will embrace.
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New book tutors future presidents and public on science behind the headlines
In the event of a standoff between the United States and Iran over uranium enrichment, would Barack Obama, if elected president, know enough about the physics of nuclear weapons to assess the threat? In leading the nation toward reduced greenhouse gas emissions, would John McCain as president understand which technologies would best decrease America's carbon footprint?
General election campaign advertising surpasses $50 million in first two months
(PhysOrg.com) -- Presidential candidates Barack Obama and John McCain are airing more advertisements in more media markets than their counterparts did during a comparable period in the 2004 election campaign, according to a University of Wisconsin-Madison study.
New aluminum-rich alloy produces hydrogen on-demand for large-scale uses
Purdue University engineers have developed a new aluminum-rich alloy that produces hydrogen by splitting water and is economically competitive with conventional fuels for transportation and power generation.
The need for fossil fuels will last for decades, according to BP's chief scientist
The world is almost certainly going to remain hooked on fossil fuels—oil, coal, natural gas—for decades to come, despite our best efforts to cut back, the chief scientist for British Petroleum said during a recent campus talk.
Inventor Doesn't Dare Say 'Perpetual Motion Machine'
Thane Heins knows the track record of inventors that claim to make breakthroughs in power generation methods, especially when they claim to defy the second law of thermodynamics. Every so often, a (usually untrained) scientist comes along with a machine that supposedly creates more energy than is put in. Every time, the ideas have been rebuked by real scientists.
New research may lead to better climate models for global warming, El Nino
One hundred fifty scientists from more than 40 universities in nine countries are starting a coordinated program aimed at gaining new insights about the Earth's climate and the complex, interconnected system involving the oceans, the atmosphere and the land.
Health toll of climate change seen as ethical crisis
The public health costs of global climate change are likely to be the greatest in those parts of the world that have contributed least to the problem, posing a significant ethical dilemma for the developed world, according to a new study.
New process generates hydrogen from aluminum alloy to run engines, fuel cells
A Purdue University engineer has developed a method that uses an aluminum alloy to extract hydrogen from water for running fuel cells or internal combustion engines, and the technique could be used to replace gasoline.