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Apple patent bid hints at changeable iPhone lens

iPhone via AFP

A US patent application hinted that Apple may be toying with the idea of letting picture-loving iPhone users change lenses for the smartphone cameras. Apple’s application for a “back panel for a portable electronic device with different camera lens options” included a diagram reminiscent of an opened iPhone with labeled…

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Nokia feels out tattoos that vibrate with incoming calls

A Nokia store in Finland. Image via AFP.

SAN FRANCISCO — Mobile phone maker Nokia is seeking a US patent for tattoos that vibrate to let people know when they have calls on their mobile phones. Technology laid out in a patent application available online Wednesday would enable tattoos to receive magnetic waves emitted by mobile phones. Waves…

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Apple seeks patent for battery that could run devices for weeks

A man walks past an advertisement for Apple's iPhone 4. Photo: AFP.

A recent patent application filed by computer giant Apple reveals what might be the company’s next big thing: hydrogen batteries. Hydrogen batteries work by splitting water into its core chemical components, then using those chemicals to generate electricity, but for many years the reaction was too volatile for most commercial…

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