The earSmart eS515 also features Audio Zoom, the world's first selective audio capture feature to be deployed for mobile devices.

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The second utilizes a highly selective media to capture more radioactive elements in the presence of ions other than sodium, such as potassium, magnesium, and calcium, also through ion exchange process.

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And in the next few years we're likely to see a number of robotic spacecraft demonstrate the rendezvous and capture technologies that would be needed in these selective culls.

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