Researchers develop short-range wireless communication between battery-free devices

[youtube]http://www.youtube.com/watch?v=gX9cbxLSOkE[/youtube]

Engineers at the University of Washington have developed a new “ambient backscatter” wireless communication scheme that allows two devices to communicate with each other by reflecting ambient TV and cellular transmissions — batteries not required.

 

 

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Study Finds Cellphone Use Tied to Changes in Brain Activity

cell phone and the brain

Researchers from the National Institutes of Health have found that less than an hour of cellphone use can speed up brain activity in the area closest to the phone antenna, raising new questions about the health effects of low levels of radiation emitted from cellphones.

 

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Airenergy – Charging Your Gagdets with Air

rca_air_energy

RCA Airenergy

Have you noticed recently just how many gadgets we all have that need seemingly constant charging and re-charging?  Cellphones, laptops, mp3 players, digital cameras, and now even books need to be charged regularly so we can happily go on using them.  Carrying around a charger for all of these items is not only cumbersome but also impractical when you consider the issue of having to find an outlet to plug the charger into. RCA is preparing to market the latest solution: a sleek, pocket-sized wireless charger.  (video)

 

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