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Ambient backscatter: Free energy harvesting from TV signals, to power a ubiquitous internet of things
2013-07-08 14:14:32| Extremetech
Researchers have created a new method of wireless networking that allows devices to communicate with each other without batteries or their own source of power. Dubbed "ambient backscatter," this method sucks power out of the air from TV and cellular transmissions, and then modulates this signal with its own data. These modulated signals are then picked up by other devices in the same ambient backscatter network. In theory, this could be the breakthrough to finally allow for a ubiquitous internet of things, where every location is blanketed with devices and sensors that communicate with each other, creating truly smart homes, offices, and cities.
VIDEO: Why do US-EU free trade talks matter?
2013-07-08 14:11:29| BBC News | Business | UK Edition
Talks aimed at creating the world's largest free trade zone between the European Union and the US open on Monday amid tensions over spying and protected industries.
Popular iOS apps go free ahead of App Store's five-year anniversary
2013-07-08 14:05:43| CNET News.com
Several titles, including Infinity Blade II and Traktor DJ are now available for free in Apple's marketplace. [Read more]
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popular
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Free Wi-Fi? User beware
2013-07-07 06:41:48| Wireless - Topix.net
Do you want to buy those shoes you are looking at online while sipping coffee and enjoying free Wi-Fi at the local bistro? Better stop before you shop.
Women seek economic freedom outside free zones
2013-07-06 05:24:45| Apparel - Topix.net
In a country where 43% of the people live below the poverty line and 70% of the working population are part of the "informal economy," zona francas-or free-zone factories-have become a leading source of formal employment for poor women across the country.
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women
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