News tagged with electric signal

New latent tuberculosis test promises to be cheap and fast

Biomedical engineers at UC Davis have developed a microfluidic chip to test for latent tuberculosis. They hope the test will be cheaper, faster and more reliable than current testing for the disease.

Chemistry / Biochemistry

created May 22, 2012 | popularity not rated yet | comments 0

Brainput system takes some brain strain off multi-taskers

(Phys.org) -- A research team made up of members from Indiana University, Tufts and MIT and led by Erin Treacy Solovey, a has built a brain monitoring system that offloads some of the computer related activities ...

Technology / Hi Tech & Innovation

created May 16, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast report

Researchers take steps toward fast, low-cost DNA sequencing device

Researchers at Oak Ridge National Laboratory and Yale University have developed a new concept for use in a high-speed genomic sequencing device that may have the potential to substantially drive down costs.

Nanotechnology / Bio & Medicine

created Apr 24, 2012 | popularity not rated yet | comments 0 | with audio podcast

Unusual protein helps regulate key cell communication pathway

Charged atoms, or ions, move through tiny pores, or channels, embedded in cell membranes, generating the electrical signals that allow cells to communicate with one another. In new research, scientists have ...

Biology / Cell & Microbiology

created Apr 23, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Pigeons' navigation skill not down to iron-rich beak cells: study

The theory that pigeons' famous skill at navigation is down to iron-rich nerve cells in their beaks has been disproved by a new study published in Nature.

Biology / Plants & Animals

created Apr 11, 2012 | popularity 5 / 5 (6) | comments 11 | with audio podcast

Listening to the radio even with an electric drive

To enable radio reception in electric vehicles, manufacturers must install filters and insulate cables, since electrical signals will otherwise interfere with music and speech transmissions. Now, using new ...

Technology / Engineering

created Apr 02, 2012 | popularity 5 / 5 (1) | comments 1

Nanowires have superior electrical, mechanical properties and can be put to good use in pressure sensors

Miniaturized pressure sensors are widely used in mechanical and biomedical applications, for example, in gauging fuel pressure in cars or in monitoring blood pressure in patients. Woo-Tae Park and co-workers ...

Nanotechnology / Nanomaterials

created Mar 29, 2012 | popularity 5 / 5 (1) | comments 1

Heart-powered pacemaker could one day eliminate battery-replacement surgery

A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.

Physics / General Physics

created Mar 02, 2012 | popularity 5 / 5 (1) | comments 3 | with audio podcast

Record-speed wireless data bridge demonstrated: Takes high-speed communications the 'last mile'

A team of researchers in Germany has created a new way to overcome many of the issues associated with bringing high-speed digital communications across challenging terrain and into remote areas, commonly referred to as the ...

Physics / Optics & Photonics

created Feb 27, 2012 | popularity 5 / 5 (3) | comments 1

Ultra-fast photodetector and terahertz generator

Photodetectors made from graphene can process and conduct light signals as well as electric signals extremely fast. Within picoseconds the optical stimulation of graphene generates a photocurrent. Until now, ...

Nanotechnology / Nanophysics

created Jan 31, 2012 | popularity 5 / 5 (9) | comments 0 | with audio podcast

Rap music powers rhythmic action of medical sensor

(PhysOrg.com) -- The driving bass rhythm of rap music can be harnessed to power a new type of miniature medical sensor designed to be implanted in the body.

Technology / Engineering

created Jan 26, 2012 | popularity 4.2 / 5 (5) | comments 1 | with audio podcast

JQI cool nano loudspeakers could makes for better MRIs, quantum computers

(PhysOrg.com) -- A team of physicists from the Joint Quantum Institute (JQI), the Neils Bohr Institute in Copenhagen, Denmark, and Harvard University has developed a theory describing how to both detect weak ...

Physics / Quantum Physics

created Jan 25, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Researchers devise new means for creating elastic conductors

Researchers from North Carolina State University have developed a new method for creating elastic conductors made of carbon nanotubes, which will contribute to large-scale production of the material for use ...

Nanotechnology / Nanomaterials

created Jan 24, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Flaky graphene makes reliable chemical sensors

Scientists from the University of Illinois at Urbana-Champaign and the company Dioxide Materials have demonstrated that randomly stacked graphene flakes can make an effective chemical sensor.

Nanotechnology / Nanomaterials

created Jan 17, 2012 | popularity not rated yet | comments 0

Paddlefish sensors tuned to detect signals from zooplankton prey

Neurons fire in a synchronized bursting pattern in response to robust signals indicating nearby food.

Other Sciences / Mathematics

created Jan 05, 2012 | popularity not rated yet | comments 0