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How to grow a recession vegetable garden almost for free with cheap and free seeds.

How to use solar panels for power on a sailboat

Sounds interesting and worth to follow up on how All Power Labs will fare at the X-Prize competition.

"The minute we stop innovating, we die," said an executive interviewed for a recently released report by the Boston Consulting Group, National Association of Manufacturers, titled The Innovative Imperative in Manufacturing: How the United States Can Restore Its Image. The report ranked the U.S. eight among innovative-friendly countries. Singapore made the top spot.

A boxy power plant that could one day produce efficient, inexpensive, clean energy in every home might sound like a pipe dream, but it's the very real product of a Silicon Valley startup called Bloom Energy. Twenty large corporations that include Google, FedEx, Walmart and eBay have already purchased and begun testing the Bloom Boxes. 60 Minutes recently got a sneak peek at this possibly game-changing energy device.

Here's SOME of the "rubs". How long will the device's last and what are the maintenance costs (if any)? What will the cost of the fuel be and how much is used? Will the manufacturing process "scale up nicely" (and easily) so that "economies of scale" will actually bring the price of a home-system down to around $3-5K? Will the price of the system, its maintenance, and fuel actually come out to be significantly less than the price of "grid delivered" electricity? Without "good enough" answers to such questions, this system may be more of a good remote generation facility than a grid replacement.

British scientists create life-like robotic fish that scour the depths of the ocean for pollutants

Egbe has achieved an efficiency of four percent and is trying to find out how to improve the efficiency in general. Not only for his system, but also for other systems researchers are working on. "The efficiency of organic solar cells has already reached eight percent and commercial products are on the market," he said.

The size, shape and organization of light-harvesting complexes such as chlorosomes are critical factors in electron transfer to semiconductor electrodes in solar devices. Understanding how chlorosomes function in nature could help scientists mimic the chlorosome's efficiency to create robust biohybrid or bio-inspired solar cells.

Initially, the battery is filled with freshwater and a small electric current is applied to charge it up. The freshwater is then drained and replaced with seawater. Because seawater is salty, containing 60 to 100 times more ions than freshwater, it increases the electrical potential, or voltage, between the two electrodes. That makes it possible to reap far more electricity than the amount used to charge the battery.

List: Motion gestures, voice commands and Bluetooth calls. The wearables market has had a more rocky start than companies were hoping for. Alongside the usual issues involved with launching a new product category, such as ironing out the user experience and finding effective branding, one of the big hurdles is inventing a series of use-cases that makes people need a smartwatch.

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