News tagged with electrical circuits

Two stopped light pulses interact with each other

(Phys.org) -- For the first time, physicists have experimentally demonstrated the interaction of two motionless light pulses. Because the stopped light pulses have a long interaction time, it increases the ...

Physics / General Physics

created May 08, 2012 | popularity 4.1 / 5 (16) | comments 8 | with audio podcast feature

A new paper made of graphene and protein fibrils

(Phys.org) -- Researchers led by Raffaele Mezzenga, a professor in Food and Soft Materials Science, have created a new nanocomposite made of graphene and protein fibrils: a special paper, which combines the ...

Nanotechnology / Nanomaterials

created May 07, 2012 | popularity 4.8 / 5 (8) | comments 1 | with audio podcast

Long predicted but never observed: A new kind of quantum junction

A new type of quantum bit called a "phase-slip qubit", devised by researchers at the RIKEN Advanced Science Institute and their collaborators, has enabled the world's first-ever experimental demonstration ...

Physics / Superconductivity

created Apr 18, 2012 | popularity 4.9 / 5 (12) | comments 3 | with audio podcast

Researchers find possible evidence of Majorana fermions

(Phys.org) -- Researchers working out of Delft University of Technology in the Netherlands have constructed a device that appears to offer some evidence of the existence of Majorana fermions; the elusive particles ...

Physics / General Physics

created Apr 13, 2012 | popularity 4.8 / 5 (25) | comments 4 | with audio podcast report

Simulation software optimizes networks

By the year 2020, thousands of kilometers of new grids will be operating in Germany to permit even more extensive use of power from renewable sources. However, these new "smart grids" also come with increased complexity, ...

Technology / Software

created Apr 05, 2012 | popularity not rated yet | comments 1

Writing graphene circuitry with ion 'pens'

The unique electrical properties of graphene have enticed researchers to envision a future of fast integrated circuits made with the one-carbon-atom-thick sheets, but many challenges remain on the path to commercialization. ...

Nanotechnology / Nanophysics

created Mar 27, 2012 | popularity 4.5 / 5 (2) | comments 1

An optical diode made with silicon technology can be used for quantum information

(PhysOrg.com) -- Transistors, resistors, capacitors, and diodes. All of these are examples of common electrical circuit elements that can be found on a computer motherboard, for instance. Billions of transistors ...

Physics / Optics & Photonics

created Mar 23, 2012 | popularity 4.6 / 5 (5) | comments 1 | with audio podcast

Electrical circuits talk to single atoms

(PhysOrg.com) -- If a practical quantum computer is ever to be realized, conventional electronic devices will have to interface with the delicate quantum systems such as atoms or ions in traps or wisps of ...

Physics / Quantum Physics

created Mar 06, 2012 | popularity 5 / 5 (4) | comments 2 | with audio podcast

Researchers build first physical 'metatronic' circuit

(PhysOrg.com) -- The technological world of the 21st century owes a tremendous amount to advances in electrical engineering, specifically, the ability to finely control the flow of electrical charges using ...

Physics / General Physics

created Feb 22, 2012 | popularity 4.7 / 5 (27) | comments 12 | with audio podcast

Energy-recycling computer technology from UM goes global through AMD

An energy-recycling computer circuit born at the University of Michigan will enable a new generation of power efficient laptop PCs and servers.

Electronics / Hardware

created Feb 22, 2012 | popularity 5 / 5 (2) | comments 0

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

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

Printed CNT transistor circuits may lead to cheaper OLED displays

(PhysOrg.com) -- While flexible OLED displays have begun appearing in some cell phones, the technology is still too expensive to be widely used in consumer electronics. In one of the latest attempts to enable ...

Nanotechnology / Nanophysics

created Dec 06, 2011 | popularity 4.9 / 5 (13) | comments 6 | with audio podcast feature

First molybdenite microchip

(PhysOrg.com) -- Molybdenite, a new and very promising material, can surpass the physical limits of silicon. EPFL scientists have proven this by making the first molybdenite microchip, with smaller and more ...

Nanotechnology / Nanomaterials

created Dec 05, 2011 | popularity 4.8 / 5 (22) | comments 8 | with audio podcast

Shine a light instead of changing the battery

(PhysOrg.com) -- Pacemakers and other implanted medical devices require electric current to operate. Changing the battery requires an additional operation, which is an added stress on the patient. A Japanese team led by Eijiro ...

Nanotechnology / Nanophysics

created Dec 01, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast