News tagged with phone communications

Bending the light with a tiny chip

(Phys.org) —Imagine that you are in a meeting with coworkers or at a gathering of friends. You pull out your cell phone to show a presentation or a video on YouTube. But you don't use the tiny screen; your ...

dateMar 10, 2014 in Optics & Photonics
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Can phone companies do more to block robocalls?

Jeri Vargas put her elderly mother on the "Do Not Call" list years ago. So why is the 88-year-old woman with Alzheimer's disease still getting several recorded phone calls a day pitching her everything from ...

dateApr 07, 2015 in Telecom
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Report: NSA cracked most online encryption

The National Security Agency, working with the British government, has secretly been unraveling encryption technology that billions of Internet users rely upon to keep their electronic messages and confidential ...

dateSep 05, 2013 in Internet
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First mammalian 'cell phone'

(Phys.org)—Researchers from ETH Zurich have quite literally created a "cell phone": they have reprogrammed mammalian cells in such a way that they can "phone" each other via chemical signals.

dateSep 17, 2012 in Biotechnology
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New loss mechanism for global 4G roaming

A loss mechanism that has not been an issue in previous mobile handset antennas will become important for global 4G roaming, according to results of experiments carried out in Aalborg, Denmark.

dateAug 19, 2014 in Telecom
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