Testing out Microsoft's Hohm energy monitoring beta

Microsoft opened up its Hohm Web application on Monday to US users, a site that gives people a starting point for cutting home energy use.

The launch of Hohm, still in beta, was marred at least for some people, including me, by a DNS problem on Microsoft's side, according to the Hohm product development team. An hour or two after the launch, a few other consumers on Twitter complained of sign-in problems that lasted a few hours.
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Nokia and Samsung tops new Greenpeace guide

Greenpeace released its latest Guide to Greener Electronics on Wednesday, revealing that promises aren't always kept.


The Greenpeace guide, which started in 2006, ranks the top 17 PC, cell phone, TV, and gaming console manufacturers based on their policies regarding e-waste, climate change, and use of toxic chemicals.

Hewlett-Packard, Dell, and Lenovo all dropped in the rankings for failing to live up to public promises to eliminate polyvinyl chloride (PVC) and brominated flame retardants (BFRs) from their computers by the end of 2009, according to Greenpeace.
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Solar panels take on roof tile shape for aesthetics

Will a better aesthetic tempt more people into going solar? SRS Energy is betting on it.

The company has partnered with US Tile, a leading manufacturer of Spanish, slate, and shake roof tiles, to design solar panels with the exact same shapes as their clay counterparts.

The result is solar tiles that can be seamlessly integrated with the terra-cotta tiles on your roof. Instead of the solar panels being on your roof, your solar panels are the roof. Instead of consumers going solar as aftermarket adaptation, the Philadelphia-based company hopes that solar will become part of the architecture and building of residences and commercial properties.
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Synthetic "tree" used to trap carbon

The thought of an artificial tree usually excites memories of building and ornamenting a Christmas centerpiece. But here's an innovation that will put those plastic branches to shame: scientists at Columbia University are developing a structure that can capture carbon 1,000 times faster than a real tree.

Klaus Lackner, a professor of geophysics at the university, has been working on the project since 1998, according to a CNN report, and is optimistic about a near-future application.

Modern improvements in coal-fired power plants have reduced carbon emissions, but Lackner is seeking a different function. The "tree" would be used to trap carbon that has already been emitted into the air by car gasoline or airplane fuel, CNN reports.
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Battery-free LED flashlight that could outlast you (almost)

Last year, 5.11 Tactical, a US company which makes clothes and gear aimed at law enforcement officers (but sells to civilians), announced a new high-tech flashlight called Light for Life. Only recently, however, has it become available to order.

What's special about it? Well, the flashlight uses three LEDs, but its key component is Flashpoint Power technology, an ultracapacitor energy storage system from Ivus Energy Innovations.

Light for Life recharges in just 90 seconds and shines at 90 lumens for 90 minutes per charge. The flashlight has three modes: Bright (270 peak lumens), standard (90 lumens), and strobe, which is good for dance parties or scaring the neighbors' dog and kids (OK, I'm kidding, but you get the picture).
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