Thursday, August 18, 2005

Web access may be as close as an electrical outlet

Those wanting high-speed access to the Internet essentially have two choices: Buy it from a cable TV company or from the local telephone company.

But a third option stands in the wings for many consumers: the electric company.

The idea seems simple: Millions of miles of power lines already run to nearly every home in the United States. Just send an Internet signal through them and everyone can be connected.

Unfortunately, it's not quite that easy in practice. Utility companies face technological hurdles and they have had to be persuaded that it's worth their while.

But now Broadband over Power Lines (BPL), with investments from big-name companies including Google and IBM, is beginning to move beyond small trial projects to deploying systems for large communities. For example, some 50,000 homes in the Cincinnati area have signed up for BPL Internet- service. And Manassas, Va., a town of 37,000, runs its own BPL service. "Our hope is that in the next two years you'll see millions of homes" using BPL, says Kevin Kushman, vice president of corporate development at CURRENT Communications Group in Germantown, Md. CURRENT is partnering with Cinergy Corp. to provide BPL in the Cincinnati area.

"We're crossing the chasm," Mr. Kushman says, from simply proving that BPL is technologically sound toward its widespread commercial use. The company also has smaller tests under way in Hawaii and suburban Washington, D.C.

One optimistic forecast, from Telecom Trends International, a market-research firm in Falls Church, Va., predicts that worldwide revenue from BPL will soar from $57.1 million last year to $4.4 billion by 2011.

"From what we've seen, there's no doubt that speed-wise and cost-wise this can be an attractive alternative and another 'pipe' to the home for broadband," says Kevin Brand, vice president of product management for EarthLink, an Internet service provider. He expects EarthLink will offer a BPL product next year.

Highly regulated power companies, which operate as local monopolies, generally take a conservative approach to new ventures, especially those outside their core mission. What is winning them over has been the possibility of using BPL to improve efficiency. With BPL, utilities can quickly identify where outages have taken place, read meters remotely, and conduct preventive maintenance, such as replacing a transformer before it fails, by monitoring unusual "noise" on the system.

"It's a major driver in getting the BPL systems deployed," Kushman says.

While BPL faces strong competition in urban and suburban areas already served by cable and phone companies, underserved rural communities could benefit. But don't include single homes miles from any others, says Alan Shark, executive director of the Power Line Communications Association, a group of utilities and system providers interested in BPL. An Internet signal degrades as it travels long distances over a power line. The signal needs to be boosted along the way. Running service to a single home is too costly, he says, but service to clusters of perhaps 50 homes or more is feasible.

The American Radio Relay League, a national association that represents ham radio enthusiasts, has conducted a long campaign against BPL, claiming that adding the signal to power lines interferes with amateur radio broadcasts nearby. Recently BPL companies offered to "notch out" that part of the BPL signal that conflicts with ham broadcasts, but the controversy appears to be far from settled.

"It still is an issue, and as long as it is an issue, it's going to be a major hindrance for BPL," says Nicole Klein, an analyst who tracks broadband trends at the Yankee Group in Boston. She's less optimistic about BPL's future. "It's kind of touch-and-go," she says. "There have been many, many trials but only a couple of commercial offerings."

Besides competing with cable and phone companies on price and speed, BPL also faces challenges from other technologies, including efforts to bring fiber-optic cable into homes and WiMAX, a wireless signal that can carry for several miles.

With the United States ranked only 16th in the world in broadband Internet penetration per capita, BPL would seem to have some untapped markets to explore. The key will be whether it can attract enough big investors that pushed cable and phone companies into the Internet business, Mr. Shark says. The hunger for broadband service is growing, and supplying it is "incredibly important ... to the economic growth of this country," he says.

(Graphic)
Power line Web access: Click here to view image.
SOURCE: CNET NETWORKS; SCOTT WALLACE - STAFF

source:http://csmonitor.com/2005/0815/p13s01-stct.html


Via Internet, Australian-based Researchers Perform Real-time Cell Surgery In California

In an effort to combine sophisticated laser and Internet technologies, scientists in Australia have successfully performed laser surgery and “optical trapping” in a Southern California laboratory via the Internet.

The scientists used a new Internet-based laser scissor-and-tweezers technology called RoboLase, demonstrating the potential of using the technology for real-time research activities between laboratories and for physicians to perform medical procedures from distant locations.

In a proof-of-principle series of experiments, the scientists from UC Irvine, UC San Diego and the University of Queensland employed RoboLase to produce surgical holes in a distinct pattern of less than one micron in diameter (1/1000th of a millimeter) in single cells. Utilizing a control panel projected onto a computer screen, Queensland researchers were able to remotely perform the cell surgery on a laser microscope system in the Southern California laboratory.

“The speed and precision of the sub-cellular surgery was equal to what it would be like if we were doing the same surgery in our labs here in California,” said Michael Berns, professor of biomedical engineering at UCI and adjunct professor of bioengineering at UCSD, who led the development of the RoboLase technology.

In addition, the scientists were able to grab onto – or “optically trap” – swimming sperm in the California lab by operating optical-laser tweezers remotely from Australia. This was a particularly noteworthy accomplishment, because it demonstrated the amount of computer bandwidth (1 gigabyte/second) needed by the Australia and California research groups to observe and grab a fast-moving sperm with virtually no detectible delay in image transmission between the two laboratories.

“If there was a detectible delay in either the transmission or reception of the video images, our colleagues in Australia would not have been able to identify and trap a targeted sperm under the laser microscope in the California laboratory,” added Linda Shi of UCSD, one of the key developers of the unique computer software that was used in the sperm-trapping experiments.

According to Berns, who is the founding director of the Beckman Laser Institute at UCI, the general significance of this work is that researchers can now collaborate on experiments with scientists around the world using this expensive and sophisticated instrumentation without having to travel to a single laboratory site. It also serves to demonstrate that the Internet will become increasingly more useful and important for the actual conduct of scientific research and possibly for the delivery of selective medical procedures.

“This technology is now accessible to other scientists who may not have easy access to it,” added Elliot Botvinick, a Beckman Fellow at UCI and co-developer of the RoboLase technology. “And the instrumentation can be used over the Internet as a learning tool by students just about anywhere in the world.”

The research is being presented today at the International Society for Optical Engineering meeting in San Diego and will be published in the September issue of the journal Microscopy Research and Technique.

Halina Rubensztein-Dunlop, professor of physics and head of the team at the University of Queensland, participated in study, which received funding support from the United States Air Force, the National Institutes of Health and the Arnold and Mabel Beckman Foundation.

Editor's Note: The original news release can be found here.

source:http://www.sciencedaily.com/releases/2005/08/050814172025.htm


OS X on x86 Videos Get Apple's Attention

"The OSx86 Project is reporting that Apple has served a legal notice to MacBidouille, a French news site that posted videos and instructions on running OS X on x86 hardware . You can find an English translation of the MacBidouille notice on the OSx86Project's forums. This is the first known legal action by Apple regarding the hacked version of OS X and calls into doubt the future of other news sites, similar to the OSx86 Project." Slashdot previously covered the story of hacking OS X onto non-Apple hardware and followed up again a few days later.

source:http://apple.slashdot.org/article.pl?sid=05/08/17/2045250&tid=179&tid=3

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