Spray-On Antenna Technology Revealed at Google’s Solve for X Conference

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A start-up called Chamtech Enteprises has an answer to the problems of poor cellphone reception and other shortcomings of traditional antennas. The company has developed a spray-on antenna that it says is more lightweight, energy-efficient and effective than the old-school version. (Where was this stuff when the iPhone 4 came out?) [Via WSJ/a>]