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.
Feb 21, 2012 |
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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 ...
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 ...
Oct 28, 2009 |
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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
May 30, 2012 |
4.9 / 5 (20) |
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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 ...
May 28, 2012 |
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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 ...
May 24, 2012 |
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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.
May 23, 2012 |
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Dopant gives graphene solar cells highest efficiency yet
(Phys.org) -- By taking advantage of graphenes favorable electrical and optical properties, and then adding an organic dopant, researchers have achieved the highest power conversion efficiency yet for ...
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 ...
May 10, 2012 |
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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 ...
May 01, 2012 |
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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 ...
Apr 25, 2012 |
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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
Apr 24, 2012 |
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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 ...
Mar 23, 2012 |
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List of search results for linear devices