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Archive: 05/23/2005

The Inverse Doppler effect: Researchers add to the bylaws of physics

What if the speed of light is a constant only most of the time? What if gravity sometimes pushed instead of pulled? Scientists are increasingly asking what would seem like far-out questions regarding the laws and rules of ...

Physics /

created May 23, 2005 | popularity 3.4 / 5 (9) | comments 1

Cassini Radio Signals Decipher Saturn Ring Structure

The Cassini spacecraft has obtained the most detailed look ever at Saturn's rings, including the B ring, which has eluded previous robotic explorers. Its structure seems remarkably different from its two neighbors, ...

Space & Earth /

created May 23, 2005 | popularity not rated yet | comments 0

Google's Thriving Advertising Model Has Math Roots

Computer Scientists Optimize Online Ad Auction A 30-second prime-time television spot was once considered to be the most effective form of advertising, but search engine ads are replacing it. This year, predicts Advertising ...

Other Sciences /

created May 23, 2005 | popularity 4 / 5 (6) | comments 0

Energy-Saving Paper Sensor Passes Major Milestone

The paper industry is one step closer to saving millions of dollars each year. An innovative laser ultrasonic sensor designed and built by scientists from the U.S. Department of Energy’s Lawrence Berkeley National Laboratory ...

Technology /

created May 23, 2005 | popularity 3.5 / 5 (2) | comments 0

16 Gb Samsung's Flash Solid State Disk to Replace Hard Drives

Samsung Electronics today announced that it has developed the first Solid State Disk (SSD) based on NAND Flash memory technology. The NAND-based SSD is a low power, lightweight storage media for notebook PCs ...

Electronics /

created May 23, 2005 | popularity 3.9 / 5 (23) | comments 0

Motorola's Commercial Broadband Over Powerline Solution Debuts at Telecom 2005

Motorola today announced the introduction of a wireless to low-voltage Broadband Over Powerline (BPL) solution, Powerline LV (Low Voltage). Powerline LV’s introduction to the utility industry was made during the United Telecom ...

Technology /

created May 23, 2005 | popularity 4.3 / 5 (3) | comments 0

Freescale to demonstrate Ultra-Wideband at 20 meters for home, enterprise applications

Freescale Semiconductor will demonstrate the industry’s longest-range commercial Direct Sequence Ultra-Wideband (DS-UWB) communications solution in a wireless projector and media blaster at Wireless Connectivity (WiCon) World. ...

Technology /

created May 23, 2005 | popularity not rated yet | comments 0

First Near UV Laser Diode Developed In China

AIXTRON AG, a leading provider of deposition equipment to the semiconductor industry, today announced the development of the first near UV laser diode by the Institute of Semiconductors at the Chinese Academy of Science (ISCAS) ...

Technology /

created May 23, 2005 | popularity 4 / 5 (4) | comments 0

New Promising Phase Change Memory Technology

IBM, Infineon and Macronix announced today a joint research initiative to explore the potential of a new form of computer memory technology called phase-change memory (PCM). PCM is a novel technology that stores data by ...

Technology /

created May 23, 2005 | popularity 3.1 / 5 (9) | comments 0

Data from Space: Adaptive Array Network Could Improve Access to NASA's Earth Observing Satellites

Sophisticated signal processing techniques and simple proof-of-principle antenna arrays built from PVC pipe, aluminum foil and copper wire could revolutionize the way NASA obtains data from its Earth observing ...

Space & Earth /

created May 23, 2005 | popularity not rated yet | comments 0

Quantum Dot Materials Can Reduce Heat, Boost Electrical Output

Researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) have shown that nanotechnology may greatly increase the amount of electricity produced by solar cells. In a paper published in a M ...

Nanotechnology /

created May 23, 2005 | popularity 4.4 / 5 (8) | comments 0

New LED driver and sequencer launched to enable complete programmability of 18 LEDs

Dialog Semiconductor Plc has launched a new universal LED controller which provides complete programmability of up to 18 LEDs for the control of lightshows, backlights and signal LEDs in cellular handsets, handheld games, ...

Technology /

created May 23, 2005 | popularity 2.6 / 5 (8) | comments 0

New photocatalyst for hydrogen generation works by irradiation with visible light

Making energy useable is a central problem of our civilization. Couldn't we simply imitate green plants and use photosynthesis to transform light into chemical energy? In principle, we could: hydrogen can be catalytically rel ...

Physics /

created May 23, 2005 | popularity 2.9 / 5 (12) | comments 0

Scientists unravel the secret world of elephant communication

It's a cloudless July afternoon in Etosha National Park in northern Namibia, and ecologist Caitlin O'Connell-Rodwell is scanning the horizon for elephants. "It's so fantastic here," she says. "We're constantly ...

Other Sciences /

created May 23, 2005 | popularity 4.1 / 5 (36) | comments 0

UK starts planning for Cosmic Vision

Whilst many of us find it a challenge to plan a few weeks ahead the space industry works on far longer time scales - planning years ahead. UK space scientists and industrialists met on 19th May to look at technology requirements ...

Space & Earth /

created May 23, 2005 | popularity 2 / 5 (1) | comments 0