News tagged with linear devices

Wringing more energy out of everyday motions

Randomness and chaos in nature, as it turns out, can be a good thing – especially if you are trying to harvest energy from the movements of everyday activities like walking.

Technology / Engineering

created Feb 21, 2012 | popularity 4 / 5 (2) | comments 2 | with audio podcast

Do it yourself guy builds train detector to automatically shut bedroom window

(PhysOrg.com) -- In a nice display of can-do thinking leading to positive action, a guy by the name of Ed Rogers has devised a device that automatically shuts the window in his bedroom whenever a train passes ...

Technology / Hi Tech & Innovation

created Sep 16, 2011 | popularity 4.1 / 5 (7) | comments 1 | with audio podcast weblog

Harvesting Energy from Natural Motion: Magnets, Cantilever Capture Wide Range of Frequencies

(PhysOrg.com) -- By taking advantage of the vagaries of the natural world, Duke University engineers have developed a novel approach that they believe can more efficiently harvest electricity from the motions ...

Physics / General Physics

created Oct 28, 2009 | popularity 4.1 / 5 (13) | comments 4




Search results for linear devices


Researchers find new properties of the carbon material graphene

Graphene has caused a lot of excitement among scientists since the extremely strong and thin carbon material was discovered in 2004. Just one atom thick, the honeycomb-shaped material has several remarkable ...

Nanotechnology / Nanomaterials

created May 30, 2012 | popularity 4.9 / 5 (20) | comments 0 | with audio podcast

Frequency stabilization in nonlinear nanomechanical oscillators

Using Center for Nanoscale Materials (CNM) expertise in the design and fabrication of micro- and nanoscale devices, a new strategy for engineering low-frequency noise oscillators capitalizes on the intrinsic ...

Nanotechnology / Nanophysics

created May 28, 2012 | popularity 5 / 5 (1) | comments 0

Scientists invent revolutionary chipset for high-speed wireless data transfer

Here is a new microchip that can transfer data the size of 80 MP3 song files (or 250 megabytes) wirelessly between mobile devices, in the flick of a second. Or how about transferring a typical 2-hour, 8-gigabyte DVD movie ...

Technology / Semiconductors

created May 24, 2012 | popularity 5 / 5 (4) | comments 4

Calling familiar assumptions into question results in better materials design

(Phys.org) -- Carbon and fluorine are at the heart of a family of chemical compounds that can be used for nonstick coatings, blood substitutes, and seemingly everything in between.

Chemistry / Materials Science

created May 23, 2012 | popularity not rated yet | comments 0

Dopant gives graphene solar cells highest efficiency yet

(Phys.org) -- By taking advantage of graphene’s favorable electrical and optical properties, and then adding an organic dopant, researchers have achieved the highest power conversion efficiency yet for ...

Nanotechnology / Nanophysics

created May 21, 2012 | popularity 4.8 / 5 (11) | comments 14 | with audio podcast feature

Photonics: strong vibrations

A new approach to generating terahertz radiation will lead to new imaging and sensing applications. The low energy of the radiation means that it can pass through materials that are otherwise opaque, opening ...

Physics / Optics & Photonics

created May 10, 2012 | popularity 5 / 5 (3) | comments 0

International team to demonstrate first heralded single-photon generation from a silicon chip

An international consortium of researchers has overcome an important barrier to the generation of single photons using a tiny, chip-scale device constructed from the most widely used material underpinning ...

Physics / General Physics

created May 01, 2012 | popularity 4.8 / 5 (13) | comments 1 | with audio podcast

Learned, not innate human intuition: Study finds twist to the story of the number line

Tape measures. Rulers. Graphs. The gas gauge in your car, and the icon on your favorite digital device showing battery power. The number line and its cousins – notations that map numbers onto space and ...

Other Sciences / Mathematics

created Apr 25, 2012 | popularity 4 / 5 (11) | comments 9 | with audio podcast

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

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


List of search results for linear devices