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 ...

Mar 10, 2014
4.9 / 5 (18) 3

GSM system about to be compromised

(PhysOrg.com) -- Research scientists in California and elsewhere are deliberately setting out to compromise the mobile phone system used by around three billion people. The system uses Global System for Mobile ...

Dec 08, 2009 weblog
3.8 / 5 (21) 12

Space: The final frontier for cell phones?

(AP) -- The vast, thinly populated expanses of the country that still lack cell phone coverage could be getting an interesting option next year: ordinary-looking cell phones that connect to a satellite when ...

Apr 09, 2009
2.8 / 5 (4) 0

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.

Aug 19, 2014
4.4 / 5 (9) 1

US eyes phase-out of old telephone network

America's plain old telephone network is rapidly being overtaken by new technology, putting US regulators in a quandary over how to manage the final stages of transformation.

Nov 29, 2013
4.3 / 5 (8) 10

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 ...

Sep 05, 2013
4.8 / 5 (43) 16