Most Recently Added Most commentedBy Title | Z-A

Bubbles Oust Viruses in Therapy

May 29, 2003

Researchers have developed a wqy to use ultrasonic waves to deliver DNA and other molecules, such as drugs, into cells.

The goal is to reduce geneticists’ reliance on viruses to deliver genes into cells, a method that has led to cancers in some patients.

A solution of DNA and microscopic bubbles would be injected into a patient’s bloodstream. Ultrasonic waves would then cause the bubbles to compress. The… read more

Bubble-powered microrockets that zoom through your stomach

February 9, 2012


Department of Nanoengineering, University of California, San Diego scientists have developed a “microrocket” that can propel itself through acidic environments, such as the human stomach, without any external energy source, opening new medical and industrial applications.

Joseph Wang and colleagues explain that self-propelled nano- or microscale motors could have applications in targeted drug delivery or imaging in humans ,or as a way to monitor industrial applications, such… read more

Bubble 2.0 Coming Soon

August 2, 2007

“Every single person working in the media today who experienced the dot-com bubble in 1999 to 2000 believes that we are going through the exact same process and can expect the exact same results–a bust,” says curmudgeon columnist John Dvorak.

“It’s deja vu all over again. And since this moment in time is only the beginning of the cycle, the best nuttiness has yet to emerge.”

BT Futurist: AI entities will win Nobel prizes by 2020

October 17, 2007

“We will probably make conscious machines sometime between 2015 and 2020,” says British Telecom futurist Ian Pearson.

“But it probably won’t be like you and I. It will be conscious and aware of itself and it will be conscious in pretty much the same way as you and I, but it will work in a very different way. It will be an alien. It will be a different way… read more

Brussels wants e-identities for EU citizens

May 24, 2012

Your papers, please! (Credit: 2009Bruno Rouchouze/EUROSMART eID Working Group)

The European Commission plans legislation that would make electronic IDs compulsory.for all Europeans.

Neelie Kroes, the EU’s Digital Agenda Commissioner, will present by the beginning of June a new legislative proposal which aims “to facilitate cross-border electronic transactions” through the adoption of harmonized e-signatures, e-identities and electronic authentication services (eIAS) across EU member states, according to an internal document seen by EurActiv.

“A clear regulatory environment for eIAS would… read more

Bruce Schneier: We need ‘cyberwar hotlines’ to match nuclear hotlines

December 6, 2010

Security expert Bruce Schneier has called for governments to establish “hotlines” between their cyber commands, much like the those between nuclear commands, to help them battle against cyber attacks.

Schneier, writing in the Financial Times, said that a hotline between the world’s cyber commands would “at least allow governments to talk to each other, rather than guess where an attack came from.” He also said that more importantly, governments need… read more

Browse the Web in Three Dimensions

June 12, 2006

An XML format called X3D that can “represent and communicate 3D scenes and objects” on the Web is starting to take hold.

Broken nerves can be fixed in a flash

November 18, 2008

Rats with breathing problems caused by damage to their nerves have had normal breathing restored by bursts of visible light aimed onto the spinal cord.

This achievement raises hopes that a miniature light source implanted near the spine might one day allow people with similar injuries to breathe normally.

A similar device might be used to relieve constriction of the bladder caused by nerve damage.

Broken Limits to Life Expectancy

June 2, 2002

Is human life expectancy approaching its limit? Many–including individuals planning their retirement and officials responsible for health and social policy–believe it is, but the evidence presented in the Policy Forum suggests otherwise.

For 160 years, best-performance life expectancy has steadily increased by a quarter of a year per year, an extraordinary constancy of human achievement. Mortality experts have repeatedly asserted that life expectancy is close to an ultimate ceiling;… read more

BroadStar Achieves Breakthrough In Low-Cost Energy Production With New Generation Wind Turbine

June 20, 2008

BroadStar Wind Systems’ new AeroCam wind turbine is the first to break through the $1/watt cost barrier, the company claims.

Designed with a low profile on a horizontal axis with multiple blades, it automatically and interactively adjust the pitch or angle of attack of the aerodynamic blades as the turbine rotates, thereby optimizing its performance, like a bird’s wings.

It enables distributed power generation in almost any setting,… read more

Broadband-deprived Cerritos turns to WiFi

December 16, 2003

The largest WiFi wireless networking deployment in the nation is planned for the entire city of Cerritos, California, providing broadband Interent access for 51,000 residents in the 8.6-square-mile area.

DSL and cable broadband access to the Internet is currently not available.

Broadband wireless Internet access nationwide planned

December 6, 2002

AT&T, Intel and IBM have formed a new company, Cometa Networks, to provide broadband wireless Internet access nationwide using 802.11b (Wi-Fi) technology.

Cometa Networks plans to provide the service to telecommunications companies, Internet service providers, cable operators and wireless carriers, which can then offer it to their customers.

Cometa also plans to install “hot spots” for accessing wireless Internet networks at retail chain stores, hotels, universities, and other… read more

Broadband Trojan Horse

March 15, 2010

The Federal Communications Commission is set to unveil a “national broadband plan” Tuesday that is opposed by industry and without any of the five commissioners voting on it.

FCC Chairman Julius Genachowski is moving to increase the reach of his agency and expand government control of the Web, with “open access” regulations. And he recommends forcing major broadband providers like Time Warner Cable and Qwest to share their high-speed… read more

Broadband Revolution Is Finally Here

April 21, 2004

Broadband Internet access in American homes jumped 60 percent over the 12 months ending in February; 39 percent of all American Internet users have a high-speed modem in their home.

With a home-based Internet audience now available, developers and content providers need to start looking to take a more active role in providing fresh material. There is an entirely new audience of users seeking entertainment, news and shopping at… read more

Broadband Over Power Lines?

February 10, 2003

Coming to a home or office near you could be an electric Internet: high-speed Web access via ubiquitous power lines, making every electrical outlet an always-on Web connection.

But turning power lines into a stable, high-speed system of data transmission is tricky. Network interference and such things as transformers and surge arrestors have hindered broadband delivery.

close and return to Home