(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
For most of the 20th century, the paradigm of wireless communication was a radio station with a single high-power transmitter. As long as you were within 20 miles or so of the transmitter, you could pick up the station.
Computer Sciences
Apr 12, 2011
0
0
"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
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
(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 communications ...
(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
Bonobos, when abruptly interrupted in a social activity with another bonobo, resume it as soon as the interruption is over with the same partner. This ability—the feeling of mutual obligation when interacting—has previously ...
Plants & Animals
Dec 21, 2020
1
451
In standard communication the pigeon always carries the message; the information is linked to a physical entity/particle. Counter to intuition, in a new counterfactual communication protocol published in NPJ Quantum Information, ...
Quantum Physics
Jul 23, 2019
0
431
Researchers from Binghamton University, State University of New York have developed a way to make cell phones and power lines more durable.
General Physics
Jan 3, 2019
0
106
The top US telecom regulator proposed Wednesday to regulate broadband Internet service providers as "public utility" carriers, in a renewed effort to enforce "net neutrality" rules.
Telecom
Feb 4, 2015
12
46
