"Wireless communication is a one-way street. Over." Radio traffic can flow in only one direction at a time on a specific frequency, hence the frequent use of "over" by pilots and air traffic controllers, walkie-talkie users ...
Engineering
Feb 14, 2011
16
0
(AP) -- Hackers on Wednesday again targeted a California transit agency that came under fire last week for turning off cell phone service in its stations to thwart a potential protest.
Internet
Aug 17, 2011
0
0
A radical new approach to the design of communications networks, called "network coding," promises to make Internet file sharing faster, streaming video more reliable, and cell-phone reception better -- among other improvements.
Computer Sciences
Feb 9, 2010
6
0
(AP) -- A computer security researcher has built a device for just $1,500 that can intercept some kinds of cell phone calls and record everything that's said.
Software
Aug 1, 2010
2
0
(AP) -- The Federal Communications Commission is opening up unused airwaves between television channels for wireless broadband networks that will be more powerful and can reach farther than today's Wi-Fi hotspots.
Telecom
Sep 23, 2010
1
0
(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 there's no cell ...
Telecom
Apr 9, 2009
0
0
(AP) -- This year, the big national wireless carriers will be racing to stake their claims in the new frontier of service: ultra-fast data access - for smart phones and laptops as well as for gadgets like tablets.
Consumer & Gadgets
Jan 6, 2011
0
0
Just as U.S. companies are coming to grips with threats to their computer networks emanating from cyber-spies based in China, a noted expert is highlighting what he says is an even more pernicious vulnerability in smartphones.
Software
Feb 24, 2012
3
0
(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 phone projects ...
Optics & Photonics
Mar 10, 2014
3
0
Smartphones have made multi-tasking easier, more understandable, and at times compulsive. But in social settings, these devices can lead to a form of contemporary rudeness called phone snubbing, or phubbing: the act of ignoring ...
Social Sciences
Aug 9, 2021
0
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