News tagged with continuous signal
Breakthrough for post-4G communications
Mar 05, 2009 |
3 / 5 (1) |
0
(PhysOrg.com) -- With much of the mobile world yet to migrate to 3G mobile communications, let alone 4G, European researchers are already working on a new technology able to deliver data wirelessly up to 12.5Gb/s.
Search results for continuous signal
Researchers Can Detect Tunnel Excavation With Fiber Optic Cables
Jan 12, 2009 |
3.3 / 5 (3) |
0
(PhysOrg.com) -- With the same type of fiber optic cables used in telecommunications systems, researchers from the Technion-Israel Institute of Technology have developed a way to detect and pinpoint the excavation ...
Fiber-optic booster on a chip
Feb 20, 2008 |
4.6 / 5 (35) |
0
More and more of our communications -- from text messages to high-definition television -- travel over optical fiber. At last count the United States was crisscrossed by more than 80 million miles of it, with ...
Measuring quantum information without destroying it
Jan 15, 2009 |
4.6 / 5 (11) |
4
(PhysOrg.com) -- One of the Holy Grails - so to speak - of science involves building quantum computers that can perform, with accuracy, the computations too advanced and too large for classical computers. While we remain ...
Micromuscles: Micrometer-Sized Actuators from Liquid-crystal Elastomers (w/ Video)
Aug 11, 2009 |
4.7 / 5 (3) |
1
To move your arm or leg, certain muscles need to change shape, to either lengthen or contract. Now scientists have made liquid-crystalline particles that can change shape in a similar way, but which are only ...
SETI@home completes a decade of ET search
Space & Earth / Space Exploration
May 01, 2009 |
4.3 / 5 (32) |
9
The SETI@home project, which has involved the worldwide public in a search for radio-wave evidence of life outside Earth, marks its 10th anniversary on May 17, 2009.
Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory
Dec 16, 2009 |
4.6 / 5 (54) |
15
(PhysOrg.com) -- Spacetime, which consists of three dimensions of space and one time dimension, is such a large, abstract concept that scientists have a very difficult time understanding and defining it. Moreover, ...
Scientists unravel clue in cortisol production
Biology /
Apr 24, 2007 |
3.8 / 5 (6) |
0
When a person's under stress or injured, the adrenal gland releases cortisol to help restore the body's functions to normal. But the hormone's effects are many and varied, lowering the activity of the immune system, helping ...
When less is more: Brief inhibition of cancer target is effective and less toxic
Dec 08, 2008 |
1.5 / 5 (2) |
0
New research shows that the delicate balance between maximum clinical impact and toxicity may not be quite as fragile as scientists had previously believed. The study, published by Cell Press in the December issue of the ...
New concept may enhance Earth-Mars communication
Space & Earth / Space Exploration
Oct 16, 2009 |
4.1 / 5 (12) |
18
Direct communication between Earth and Mars can be strongly disturbed and even blocked by the Sun for weeks at a time, cutting off any future human mission to the Red Planet. An ESA engineer working with engineers ...
Novatel Debuts Their Wireless MiFi Hotspot
Electronics / Consumer & Gadgets
Dec 09, 2008 |
4.7 / 5 (7) |
0
(PhysOrg.com) -- The Novatel MiFi portable broadband hotspot card does the job of a 3G modem and wireless router combined. The MiFi can connect to either an EVDO Rev. A or HSPA signal. The connection is then ...
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