News tagged with fiber cells

Technology convergence may widen the digital divide

(Phys.org) -- Technology is helping communication companies merge telephone, television and Internet services, but a push to deregulate may leave some customers on the wrong side of the digital divide during this convergence, ...

Technology / Telecom

created May 17, 2012 | popularity 5 / 5 (2) | comments 0

Mexican experts find ancient blood on stone knives

(AP) - Traces of blood and fragments of muscle, tendon, skin and hair found on 2,000-year-old stone knives have given researchers the first conclusive evidence that the obsidian blades were used for human sacrifice so long ...

Other Sciences / Archaeology & Fossils

created May 03, 2012 | popularity 4.3 / 5 (6) | comments 3 | with audio podcast

Mini cargo transporters on a rat run: New insight on molecular motor movement

Kinesins assume a vital function in our cells: The tiny cargo transporters move important substances along lengthy protein fibers and ensure an effective transportation infrastructure. Biophysicists of the ...

Biology / Cell & Microbiology

created Apr 26, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Tube-shaped solar cells could be woven into clothing

(PhysOrg.com) -- Titania semiconducting nanorods grown on the surface of carbon fibers look more like bristles on a tiny hairbrush than a solar cell, but the novel configuration could have several advantages ...

Nanotechnology / Nanophysics

created Mar 01, 2012 | popularity 4.3 / 5 (8) | comments 8 | with audio podcast feature

New nanotechnology converts heat into power when it's needed most

Never get stranded with a dead cell phone again. A promising new technology called Power Felt, a thermoelectric device that converts body heat into an electrical current, soon could create enough juice to make another call ...

Nanotechnology / Nanophysics

created Feb 22, 2012 | popularity 4 / 5 (9) | comments 9 | with audio podcast

Graphene quantum dots: The next big small thing

A Rice University laboratory has found a way to turn common carbon fiber into graphene quantum dots, tiny specks of matter with properties expected to prove useful in electronic, optical and biomedical applications.

Nanotechnology / Nanophysics

created Jan 12, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Light now in sight: Control of a 'blind' neuroreceptor with an optical switch

When nerve cells communicate with one another, specialized receptor molecules on their surfaces play a central role in relaying signals between them. A collaborative venture involving teams of chemists based at Ludwig-Maximilians-Universitat ...

Chemistry / Biochemistry

created Jan 10, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

How work tells muscles to grow

We take it for granted, but the fact that our muscles grow when we work them makes them rather unique. Now, researchers have identified a key ingredient needed for that bulking up to take place. A factor produced in working ...

Biology / Cell & Microbiology

created Jan 03, 2012 | popularity 5 / 5 (2) | comments 0

First electronic optical fibers with hydrogenated amorphous silicon are developed

(PhysOrg.com) -- A new chemical technique for depositing a non-crystalline form of silicon into the long, ultra-thin pores of optical fibers has been developed by an international team of scientists in the ...

Physics / Optics & Photonics

created Dec 13, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

A whole new meaning for thinking on your feet

Smithsonian researchers report that the brains of tiny spiders are so large that they fill their body cavities and overflow into their legs. As part of ongoing research to understand how miniaturization affects ...

Biology / Plants & Animals

created Dec 12, 2011 | popularity 4.9 / 5 (9) | comments 3 | with audio podcast

Scientists solve mystery of the eye

(PhysOrg.com) -- Scientists have a good overall understanding of human vision: when light enters our eyes, it is focused by the lens and strikes the retina in the back of the eye. The light causes some of ...

Chemistry / Biochemistry

created Nov 17, 2011 | popularity 4.3 / 5 (64) | comments 14 | with audio podcast feature

Crystal erbium compound offers superior optical properties, can enhance energy, computer, lighting technologies

Arizona State University researchers have created a new compound crystal material that promises to help produce advances in a range of scientific and technological pursuits.

Physics / Optics & Photonics

created Nov 16, 2011 | popularity 4.9 / 5 (8) | comments 2 | with audio podcast

Coming soon to a server near you: fewer internet delays

(PhysOrg.com) -- Researchers at the UA-led Center for Integrated Access Networks, the largest optical research center in the U.S., are developing methods to improve transmission speed, efficiency and reliability ...

Technology / Telecom

created Nov 04, 2011 | popularity 2.3 / 5 (3) | comments 0

How do green algae react to carbon nanotubes?

Nanoparticles such as carbon nanotubes (CNT), which are found in an ever-increasing number of products, are ending up more and more frequently in our surroundings. If and how they affect aquatic ecosystems ...

Nanotechnology / Nanomaterials

created Nov 04, 2011 | popularity 4 / 5 (1) | comments 3 | with audio podcast

Why carbon nanotubes spell trouble for cells

It's been long known that asbestos spells trouble for human cells. Scientists have seen cells stabbed with spiky, long asbestos fibers, and the image is gory: Part of the fiber is protruding from the cell, ...

Nanotechnology / Bio & Medicine

created Sep 18, 2011 | popularity 4.9 / 5 (11) | comments 3 | with audio podcast