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For whatever is born of God overcomes the world; and this is the victory that has overcome the world-- our faith. 1 John 5:4 NASB

Engineers have created a battery-free communication technique that repurposes wireless signals that already surround us. This new wireless communication system seems like "magic," since it "provides connectivity between computers out of what is essentially thin air." It takes us a step closer to an Internet of Things reality as it lets devices talk to each other without relying on batteries or wires for power. Instead, it taps into already existing ambient Wi-Fi, TV or cellular signals to exchange information. University of Washington researchers call it "ambient backscatter;" it's so revolutionary that when engineers presented their work [pdf] at the Association for Computing Machinery's Special Interest Group on Data Communication 2013 conference in Hong Kong, they won the "best paper" award.

Headphone maker SMS Audio’s Curtis “50 Cent” Jackson brand has launched the STREET by 50 over-ear wired headphones. They are built with Active Noise Canceling (ANC) technology to eliminate unwanted ambient noise anywhere, including on an airplane or other loud environments. Each side is equipped with 40 mm drivers inside soft leather memory foam ear cushions in between an adjustable headband, to deliver superior studio-grade audio while blocking outside noise, allowing users to enjoy music. Inside is a rechargeable (microUSB) lithium ion battery, good for 70 hours of ANC use. The headphones give you the option of turning off the noise canceling and will work (minus the ANC) if the battery loses its charge. The foldable headphones come with a removable cable with three-click microphone, soft touch cleaning cloth, micro USB charging cable, airplane adaptor and hard shell case for easy transport.