News tagged with negative voltage
Quick jolt of energy could improve energy harvesting by a factor of 40
(PhysOrg.com) -- Harvesting mechanical energy from the environment and converting it into electrical energy has recently become a viable method for powering low-energy electronics, such as sensors and actuators. ...
Jul 21, 2010 |
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Departure of chip-design legend Bob Pease prompts outpouring in Silicon Valley
Bob Pease is a genuine Silicon Valley rock star who I never would have heard of had he not lost his job, or left his job. It's not entirely clear which.
Apr 23, 2009 |
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Search results for negative voltage
Low-cost instrument developed by students could aid weather research
On a recent blustery afternoon, scientists gathered on a rooftop at the Georgia Tech Research Institute (GTRI) to observe two atmospheric electric field-mill devices monitor the buildup of electrical charge ...
Feb 08, 2012 |
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Development of positive electrode materials for low-cost and high-performance lithium-ion secondary batteries
Mitsuharu Tabuchi (Senior Researcher), Ionics Research Group, the Research Institute for Ubiquitous Energy Devices (Director: Tetsuhiko Kobayashi) of the National Institute of Advanced Industrial Science and ...
Technology / Energy & Green Tech
Jan 13, 2012 |
5 / 5 (2) |
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Axion sees future in lead-acid-carbon hybrid battery
(PhysOrg.com) -- Energy storage continues to be the number one question mark in discussions about the grid. We can gather enough energy from sun and wind systems but engineers still scratch their heads over ...
Technology / Energy & Green Tech
Jan 11, 2012 |
4 / 5 (4) |
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Light control technique could lead to tunable lighting and displays
(PhysOrg.com) -- Over the past several years, organic light-emitting diodes (OLEDs) have become a popular light source due to their advantages including bright displays, wide viewing angles, and the ability ...
Jan 11, 2012 |
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Researchers discover that changes in bioelectric signals cause tadpoles to grow eyes in back, tail
For the first time, scientists have altered natural bioelectrical communication among cells to directly specify the type of new organ to be created at a particular location within a vertebrate organism. Using ...
Dec 08, 2011 |
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Voltage increases up to 25% observed in closely packed nanowires
(PhysOrg.com) -- Unexpected voltage increases of up to 25 percent in two barely separated nanowires have been observed at Sandia National Laboratories.
Dec 07, 2011 |
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Researcher creates neurons that light up as they fire
In a scientific first that potentially could shed new light on how signals travel in the brain, how learning alters neural pathways, and might lead to speedier drug development, scientists at Harvard have created genetically-altered ...
Medicine & Health / Neuroscience
Nov 29, 2011 |
4.8 / 5 (5) |
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An about-face on electrical conductivity at the interface
(PhysOrg.com) -- To improve the electronic devices that keep our modern, hyper-connected world organized, scientists are on the hunt for new semiconductor materials, which control the flow of electricity that ...
Nov 15, 2011 |
4.8 / 5 (4) |
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Charging toward better neural implants
Electrical implants that shut down excessive activity in brain cells hold great potential for treating epilepsy and chronic pain. Likewise, devices that enhance neurons’ activity may help restore function ...
Oct 28, 2011 |
5 / 5 (4) |
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Sulfur in hollow nanofibers overcomes challenges of lithium-ion battery design
(PhysOrg.com) -- Stanford researchers have used nanotechnology to invent a better lithium ion battery cathode.
Nanotechnology / Nanomaterials
Oct 05, 2011 |
5 / 5 (14) |
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List of search results for negative voltage
