Frontpage » Tag » electrodes

News tagged with electrodes

Related topics: brain , solar cells , battery , energy storage , carbon nanotube

New rechargeable zinc-air batteries coming soon

(PhysOrg.com) -- A new breed of rechargeable zinc-air batteries is soon to be available, and may replace lithium-ion batteries in cell phones, laptops and other consumer items. Lithium-ion batteries store ...

Technology / Energy & Green Tech

created Oct 29, 2009 | popularity 4.4 / 5 (48) | comments 15 weblog

Nanowire biocompatibility in the brain: So far so good

The biological safety of nanotechnology, in other words, how the body reacts to nanoparticles, is a hot topic. Researchers at Lund University in Sweden have managed for the first time to carry out successful experiments involving ...

Nanotechnology / Bio & Medicine

created Oct 22, 2009 | popularity 5 / 5 (2) | comments 0

You can control your Marilyn Monroe neuron

(PhysOrg.com) -- In a scientific first, researchers have been able to demonstrate the ability of humans to control the activity of individual brain cells.

Medicine & Health / Neuroscience

created Oct 22, 2009 | popularity 4.6 / 5 (27) | comments 12 weblog

Scientists Use Self-Assembly to Make Molecule-Sized Particles With Patches of Charge

(PhysOrg.com) -- Physicists, chemists and engineers at the University of Pennsylvania have demonstrated a novel method for the controlled formation of patchy particles, using charged, self-assembling molecules ...

Nanotechnology / Nanomaterials

created Oct 20, 2009 | popularity 5 / 5 (2) | comments 0

Caltech scientists create robot surrogate for blind persons in testing visual prostheses

Scientists at the California Institute of Technology (Caltech) have created a remote-controlled robot that is able to simulate the "visual" experience of a blind person who has been implanted with a visual ...

Technology / Computer Sciences

created Oct 19, 2009 | popularity 5 / 5 (2) | comments 0

Fuel cells get a boost

Fuel cells, devices that can produce electricity from hydrogen or other fuels without burning them, are considered a promising new way of powering everything from homes and cars to portable devices like cellphones ...

Nanotechnology / Nanomaterials

created Oct 15, 2009 | popularity 3.9 / 5 (17) | comments 6

Improved redox flow batteries for electric cars

A new type of redox flow battery presents a huge advantage for electric cars. If the rechargeable batteries are low, the discharged electrolyte fluid can simply be exchanged at the gas station for recharged ...

Technology / Energy & Green Tech

created Oct 13, 2009 | popularity 4.6 / 5 (22) | comments 14

Electrostatic surface cleaning

It's often the little things that count in industrial manufacturing processes. Particles less than half the diameter of a hair in size can significantly impair quality in production. For example, there should ...

Technology / Engineering

created Oct 07, 2009 | popularity not rated yet | comments 0

A step toward better brain implants using conducting polymer nanotubes

ANN ARBOR, Mich.---Brain implants that can more clearly record signals from surrounding neurons in rats have been created at the University of Michigan. The findings could eventually lead to more effective ...

Nanotechnology / Nanomaterials

created Sep 29, 2009 | popularity 5 / 5 (9) | comments 1

Renewable hydrogen production becomes reality at winery

(PhysOrg.com) -- The first demonstration of a renewable method for hydrogen production from wastewater using a microbial electrolysis system is underway at the Napa Wine Company in Oakville. The refrigerator-sized hydrogen ...

Technology / Energy & Green Tech

created Sep 29, 2009 | popularity 4.3 / 5 (13) | comments 0

Scientists to go where no chemists has gone before

Scientists at The University of Nottingham have overcome one of the significant research challenges facing electrochemists. For the first time they have found a way of probing right into the heart of an electrochemical reaction.

Chemistry / Materials Science

created Sep 28, 2009 | popularity 5 / 5 (4) | comments 0

Opposites attract -- but they may not stay together

(PhysOrg.com) -- Opposites may always attract. But they may not remain together long-term. In a counter-intuitive discovery published in the current edition of the journal Nature, researchers from Harvard, the Un ...

Physics / General Physics

created Sep 24, 2009 | popularity 4.7 / 5 (6) | comments 1

Salt and Paper Battery May One Day Replace Lithium Batteries

(PhysOrg.com) -- Salt and paper battery can be used in many low-power devices, such as medical implants, RFID tags, wireless sensors and smart cards. This battery uses a thin-film which makes it an attractive ...

Technology / Energy & Green Tech

created Sep 15, 2009 | popularity 4.6 / 5 (18) | comments 6 weblog

Electroluminescence from Electrolyte-Gated Carbon Nanotube Field-Effect Transistors

Field-effect transistors (FETs) based on single-walled carbon nanotubes (SWNTs) exhibit a range of optoelectronic effects including near-infrared electroluminescence.

Nanotechnology / Nanophysics

created Sep 08, 2009 | popularity 5 / 5 (2) | comments 0

Measuring nitrate concentrations in leafy green vegetables

Leafy green vegetables such as lettuce, Asian greens, and spinach can accumulate high concentrations of nitrate-nitrogen (NO3-N), which are potentially harmful if consumed by humans. To measure NO3-N concentration in plant ...

Biology / Ecology

created Sep 08, 2009 | popularity 4 / 5 (1) | comments 0