Sentences with phrase «electrical current which»

However, the data is challenging to analyze because the perturbations of electrical current which reveal the DNA sequence are subtle.
Half of the people received a sham (fake stimulation), while the other half received a mild electrical current which activates neurons in the targeted region.
Each element is activated by an electrical current which, when applied, heats the ink in contact with the element.

Not exact matches

TASER still gets the bulk of its revenue from selling its weapons, which use electrical current to immobilize targets.
Well, for starters, most panko is made from a simple white bread (which is cooked with electrical currents, so it doesn't develop a crust).
Basically, they place the acupuncture needles in specific places on your body (ankles, lower back, hands, etc.) and attach electrodes to the needles which transmit a low electrical current to stimulate the acupoints.
However, implanting them can further damage hearing, and electrical currents can spread easily through the neural tissue to stimulate nearby cells, which the patient hears as noise.
According to Sir Nevill Francis Mott's prediction in 1937, the mutual repulsion of charged electrons, which are responsible for carrying electrical current, can cause a metal - insulator transition.
This study will include 36 people with spinal cord injuries who will be treated with epidural stimulation — a technique in which a device is used to apply electrical current to the spinal cord.
As batteries are used and charged, the electrochemical reaction results in the movement of ions between the two electrodes of a battery, which is the essence of an electrical current.
They first isolated a buckyball on a metal surface with a scanning tunneling microscope (STM), which images the atomic contours of a surface by measuring changes in the electrical current that travels between the surface and an ultrasharp tip that scans across it.
Touch receptors in your skin sense the insect and activate an electrical current that passes along nerves until it reaches your brain, which registers the fly's presence and instigates a response.
The wires rapidly absorbed the gas and swelled slightly, which closed miniscule gaps and allowed an electrical current to flow more easily.
«Right now, we're in the range of tens to hundreds of microamperes [the basic unit for measuring an electrical current], which is too low to power most electronic devices,» Guha said.
Another component senses changes in the electrical current flowing through the generated sweat, which measures alcohol levels and sends them to the user's cell phone.»
The tether changes its orbit thanks to an electrical current flowing through the wires, which creates an electromagnetic field that attracts the debris and pushes the net away from Earth's geomagnetic field.
The improvements could allow the rectennas — which convert electromagnetic fields at optical frequencies directly to electrical current — to operate low - power devices such as temperature sensors.
Sensors made with atomically thin layers of MoS2 revealed better selectivity to certain gases owing to the electron energy band gap in this material, which resulted in strong suppression of electrical current upon exposure to some of the gases.
He says that one of the more fascinating observations that RBSPICE has provided his team involves the injections of ions and electrons from the Earth's geomagnetic tail into the ring current, which is the large electrical current that surrounds the Earth.
That contrasts sharply with other ephemeral events at similar altitudes, which glimmer into being when electrical current travels upward from lightning clouds at altitudes of about 10 km.
High electrical conductivity and large accessible surface area, which are required for ideal electrode materials in energy devices, are opposed to each other in current materials.
In addition, the electrical contacts industry, which now uses alternating current in devices, might finally be able to turn to direct current devices as higher performance alternatives.
Finally, Yoichi Ando and colleagues at the Central Research Institute of the Electric Power Industry in Tokyo, Japan, report that in nonsuperconducting LSCO and YBCO, the electrical resistance is smaller for current flowing in the direction in which the stripes are thought to run.
This pressure gradient in turn produces a temperature differential on the surface, which prompts production of a tiny electrical current.
In contrast to electrical currents, on which todays information technology is based, magnon spin currents do not conduct electrical charges but magnetic momenta.
If the direction of the magnetic fields is rapidly switched back and forth (i.e., high frequency) then electrical currents only flow along the outer edge of the metal, which is where the biofilm is.
When a metal is in the presence of alternating magnetic fields (AMFs), electrical currents are produced on the metal, which generate heat.
After the volunteers had plunged into REM sleep, a state in which people are unable to move and the most vividly recalled dreams occur, researchers applied electrical current to their skulls near the forehead and temples.
Just like currents in simple electrical circuits, these moving charges induce a magnetic field, which, in Mars» case, is quite weak.
«The components of today's computers, in which information is passed only in the form of electrical currents, can not be fundamentally improved.
Current treatment methods used are transcranial direct current simulation (tDCS)-- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)-- which sees a constant electrical current flow back andCurrent treatment methods used are transcranial direct current simulation (tDCS)-- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)-- which sees a constant electrical current flow back andcurrent simulation (tDCS)-- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)-- which sees a constant electrical current flow back andcurrent between two electrodes on the head, and transcranial alternating current simulation (tACS)-- which sees a constant electrical current flow back andcurrent simulation (tACS)-- which sees a constant electrical current flow back andcurrent flow back and forth.
Their analysis unraveled the structural origin of the simultaneous enhancement of two superconducting properties of the iron - based superconductor: the temperature at which the material becomes able to conduct electrical current with no energy loss and the amount of current the material can carry without losing this ability.
Inside these structures, conductive channels for electrical currents form which are extremely narrow at just about 10 nm and surprisingly robust against external disturbance.
Participants were randomized into four different interventions that would analyze how effectively an acupuncture technique known as electroacupuncture — in which embedded needles deliver weak electrical currents — reduces incidents of hot flashes as compared to the epilepsy drug gabapentin, which was previously shown to be effective in reducing hot flashes for these patients.
Such studies could guide still - experimental therapies such as transcranial magnetic stimulation, which aims to suppress or boost brain activity in targeted areas through electrical currents.
Lasers require an electrical current or another laser to excite a material's electrons, which then emit photons as they return to their normal state.
The ideal TE material combines high electrical conductivity, allowing the current to flow, with low thermal conductivity, which prevents the temperature gradient from evening out.
For an eight - week period, participants received gabapentin (900 mg) daily, gabapentin placebo daily, electroacupuncture (twice per week for two weeks, then once weekly), or «sham» electroacupuncture, which involves no actual needle penetration or electrical current.
Electronic transistors, which act as miniature switches for controlling the flow of electrical current, underpin modern - day microelectronics and computers.
But when light hits certain materials the energy turns into an electrical current instead, which we can then harness for power.
A spin wave can be thought of as similar to an ocean wave, which keeps water molecules in essentially the same place while the energy is carried through the water, as opposed to an electric current, which can be envisioned as water flowing through a pipe, said principal investigator Kang L. Wang, UCLA's Raytheon Professor of Electrical Engineering and director of the Western Institute of Nanoelectronics (WIN).
However, a common 42» high - definition television takes about half an amp of electrical current to function which would, theoretically, require roughly 62,500 cells from the experiment.
These are materials in which all resistance to an electrical current disappears at temperatures ranging from near absolute zero to as «warm» as around — 170 degrees Fahrenheit -LRB--- 112 degrees Celsius).
RAM, which is used to run the programs on your computer, can record and rewrite information very quickly via an electrical current.
Gallium arsenide is a technologically important narrow - band - gap semiconductor, in which the excitation of electrons from the valence into the conduction band produces charge carriers that can transport electrical current through electronics components.
Electrical conductivity, a measure of how strongly a given material conducts the flow of electric current, is generally understood in terms of Ohm's law, which states that the conductivity is independent of the magnitude of an applied electric field, i.e. the voltage per metre.
«When electrical currents are created in such a system of flows, they can cause a magnetic field which in turn increases the electrical current and so forth — and finally the magnetic field becomes so strong that we can measure it on the surface of Earth,» says Alessandro Toschi.
One of the difficulties involved in developing thermo - electric systems that convert heat into electric current is the need for materials exhibiting high electrical conductivity but low thermal conductivity, which is only possible with complicated crystal structures.
Current treatment methods used are transcranial direct current simulation (tDCS)- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)- which sees a constant electrical current flow back andCurrent treatment methods used are transcranial direct current simulation (tDCS)- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)- which sees a constant electrical current flow back andcurrent simulation (tDCS)- which is application of a low intensity direct (constant) current between two electrodes on the head, and transcranial alternating current simulation (tACS)- which sees a constant electrical current flow back andcurrent between two electrodes on the head, and transcranial alternating current simulation (tACS)- which sees a constant electrical current flow back andcurrent simulation (tACS)- which sees a constant electrical current flow back andcurrent flow back and forth.
The technique uses transcranial direct current stimulation (tDCS), in which weak electrical currents are applied to the scalp using electrodes.
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