News tagged with radio transmission
Cellphone jamming raises transit users' ire
Silencing the loudmouth cellphone user across the aisle is surely a common fantasy among transit riders. But how often do they fulfill their wish and become peace-and-quiet vigilantes - despite decades-old laws against blocking ...
Mar 09, 2012 |
3.5 / 5 (2) |
5
Novel man-made material could facilitate wireless power
Electrical engineers at Duke University have determined that unique man-made materials should theoretically make it possible to improve the power transfer to small devices, such as laptops or cell phones, or ultimately to ...
May 23, 2011 |
3.9 / 5 (8) |
7
|
Giant box close to being over oil-spewing well
(AP) -- A mission to the bottom of the sea to try to avert a wider environmental disaster progressed early Friday as crews said a 100-ton concrete-and-steel box was close to being placed over a blown-out ...
May 07, 2010 |
5 / 5 (3) |
1
Install and Forget: Batteryless Radio Sensors
Siemens has developed a variety of energy autarkic radio sensors that draw the energy they require for operation from their surroundings. The technology can be used to automatically monitor facilities in remote ...
Mar 03, 2010 |
3 / 5 (1) |
0
Explained: Gallager codes
In the 1948 paper that created the field of information theory, MIT grad (and future professor) Claude Shannon threw down the gauntlet to future generations of researchers. In those predigital days, communications ...
Technology / Computer Sciences
Jan 21, 2010 |
4.6 / 5 (11) |
0
|
New species of coral, sponges found near Hawaii
(AP) -- New and dramatic species of coral and sponges have been found in the Pacific during deep sea dives near the Northwestern Hawaiian Islands, scientists said Monday.
Dec 15, 2009 |
not rated yet |
0
Smallest nanoantennas for high-speed data networks
More than 120 years after the discovery of the electromagnetic character of radio waves by Heinrich Hertz, wireless data transmission dominates information technology. Higher and higher radio frequencies are ...
Oct 20, 2009 |
3 / 5 (4) |
0
Web site recreates Apollo 11 mission in real time
(AP) -- Families crowded around black-and-white television sets in 1969 to watch Neil Armstrong take man's first steps on the moon.
Space & Earth / Space Exploration
Jul 13, 2009 |
5 / 5 (2) |
0
