Recently Added Most commented

Microbes Can Produce Miniature Electrical Wires

June 23, 2005

Researchers at the University of Massachusetts Amherst have discovered a tiny biological structure that is highly electrically conductive.

The conductive structures, known as “microbial nanowires,” are produced by a novel microorganism known as Geobacter. The nanowires are only 3-5 nanometers in width, but durable and more than a thousand times long as they are wide.

The finding could provide new approaches to using microbes to assist in the… read more

Magnetic Future

June 26, 2002

Researchers at GE and IBM are developing “patterned media”-based disks that hold between 30 and 40 gigabits per square centimeter, ten times the density of today’s products, and the storage density might be pushed to more than 150 gigabits per square centimeter.

The technology involves physically isolating a disk’s magnetic grains from one another on nanoscale “islands.” Currently, several hundred magnetic grains are needed to store a bit clearly,… read more

Fujitsu develops world’s fastest processor

May 18, 2009
Fujitsu Venus (PC Watch)

Fujitsu has developed has developed the world’s fastest (128 Gigabits/sec.) supercomputer CPU prototype, beating the current record, held by Intel Corp., by 2.5 times.

A Few of Our Favorite Things: ScienceNOW’s top stories of 2007

January 3, 2008

Arguments that black holes do not exist and quantum mechanics research that finds an observer can change the behavior of light, even after it has been measured, are two of Science Now’s top stories of 2007.

Witnesses to History

July 11, 2005

The London terrorist attack moved the current “citizen journalism” trend to a new level, using text messaging, cameras, and the ability to record and transmit video through the Internet.

It was the first widespread use of that technology in covering a major breaking news story.

Multilingual Machines

July 19, 2002

A new language-translation system called EliMT from Meaningful Machines in New York City uses a statistical technique in an attempt to make machine translation more accurate.

EliMT looks for words with a tendency to cluster together in databases of translations and can refine itself in either a fully automated or a human-assisted manner as more data are entered.

A Drug-Dispensing Lens

May 22, 2009

Eyenovations has developed contact lenses that can deliver drugs to the eye for a month or more, using a hydrogel lens with a polymer film inside that contains the medication.

Uses include delivery of medicine without relying on frequent eyedrops for patients with glaucoma and for delivering antibiotics following eye surgery.

Biofuels on a Big Scale

January 7, 2008

The first large-scale study of “cellulosic” perennial crop-based fuels shows that switchgrass yields more than five times the energy needed to grow, harvest, and transport the grass and convert it to ethanol.

U.S. Department of Agriculture researchers also found that the switchgrass is carbon-neutral, since it absorbs essentially the same amount of greenhouse gases while it’s growing as it emits when burned as fuel.

Nanotech Moves Closer to Cure

July 26, 2005

Nanotech-enabled cancer therapy could be in doctors’ office within five years, says Dr. James Baker, who will head the University of Michigan’s new Nanotechnology Institute for Medicine and the Biological Sciences.

Coherent Computing: Making qubit superpositions in superconductors last longer

August 9, 2002

Research teams have made critical breakthroughs in developing quantum computers. The Quantronics group at the Atomic Energy Commission (CEA) in Saclay, France, and Siyuan Han’s laboratory at the University of Kansas reported qubit chip designs with coherence times at least 100 times as great as those achieved before. Investigators at the National Institute of Standards and Technology (NIST) in Boulder, Colo., have come up with a design that they think… read more

First Evidence of Entanglement in Photosynthesis

May 29, 2009

Molecules taking part in photosynthesis can remain entangled even at ordinary atmospheric temperatures, Berkeley, California researchers have found, suggesting the possibility of photosynthetic quantum computers.

Does this support the Hameroff/Penrose idea of quantum computation in brain microtubules as a model of consciousness? – Ed.

Unzipped nanotubes as an alternative to costly platinum for fuel cells

March 4, 2015

An illustration shows a three-dimensional aerogel created by researchers at Rice University who combined graphene nanoribbons with boron and nitrogen. The aerogels show promise as a possible alternative to expensive platinum in fuel cells (credit: Ajayan Group/Rice University)

Rice University researchers have formed graphene nanoribbons into a three-dimensional aerogel enhanced with boron and nitrogen as catalysts for fuel cells as a replacement for platinum.

In tests involving half of the catalytic reaction that takes place in fuel cells, a team led by materials scientist Pulickel Ajayan and chemist James Tou discovered that versions with about 10 percent boron and nitrogen were efficient in catalyzing an… read more

E-noses Could Make Diseases Something to Sniff at

January 14, 2008

Engineers are developing electronic versions of the human nose that will allow doctors to use the “odor signatures” of diseases to diagnose illnesses.

The E-noses contain an array of olfactory sensors activated in unique patterns when exposed to different aromas. Pattern-recognition software identifies each odor and its source.

Yahoo Debuts Audio Search

August 5, 2005

Yahoo Audio Search allows users to peruse a list of 50 million music, voice and other files for free.

Yahoo Audio Search also enables independent publishers to submit content to the index through Media Really Simple Syndication (Media RSS), providing users with open access to original and timely audio content, according to the company.

IBM shows smallest, fastest graphene processor

April 12, 2011

IBM has demonstrated a graphene transistor that can execute 155 billion cycles per second, about 50% faster than previous experimental transistors.

The graphene transistor benefited from the use of a new and improved substrate IBM called “diamond-like carbon.” It exhibited excellent temperature stability from room temperature down to minus 268 degrees Celsius, or “helium temperature.”

It is also IBM’s smallest transistor to date. The gate length was scaled down… read more

close and return to Home