Sentences with phrase «electrical current from»

Either way, it's nice to hear the focus is on preventing overheating too, with direct charging functionality that routes electrical current from the adaptor directly to the battery, bypassing all the sensitive circuitry inside your phone.
Summers uses a remote control to send an electrical current from the neurostimulator to the array and a group of neurons — called interneurons — in the spinal cord.

Not exact matches

TASER still gets the bulk of its revenue from selling its weapons, which use electrical current to immobilize targets.
Some estimate the electrical power required to expand Bitcoin from its current size exceeds that required to power the entire country of Denmark... for a year.
In the present case, it is important that we do not lose sight of the fact that, in reality, there is no such thing as an electrical field that is separable from current sources, a medium, chemical gradients, heat, gravity, and so on ad infinitum.
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).
In much the same way that power lines are affected, long connected structures can experience large voltage differentials from one area to the next, leading to the flow of unwanted electrical current.
New research from an international group led by Min Zhao, professor of ophthalmology and of dermatology at the University of California, Davis, shows that, in animal models of diabetes, slow healing is associated with weaker electrical currents in wounds.
In recent papers, Miller argues that there's still a lot to learn from the intermittent electrical currents called oscillations, or brain waves.
Using electrical measurements he collected during the eel attacks, Catania came up with an equation to estimate the amount of electric current flowing from the eel into his arm.
Researchers are proposing a new technology that might control the flow of heat the way electronic devices control electrical current, an advance that could have applications in a diverse range of fields from electronics to textiles.
The same thing happens with temperature flows where the current goes from the hotter body to the colder one, or in electrical systems.
When Joachim and Gimzewski moved the STM tip down, slightly flattening their buckyball, the molecule's electrical resistance dropped 100-fold, allowing the current to flow more easily from the STM tip to the metal surface.
The electrical current can also be channeled to form hydrogen gas through the addition of electric power from a small photovoltaic cell that absorbs the excess light.
This compound mediates the transfer of electrons from the biological membranes to the electrical circuit, enabling the creation of an electric current in the cell.
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.
Using heat from an external solar array, Licht, who's based at George Washington University, can raise the temperature so high that only a minute electrical current, supplied by solar photovoltaic cells, is needed to split the compounds.
A small electrical voltage applied to one electrode — called the «gate» — increases the electrical conductivity between two other electrodes, allowing a large current to flow from one to the other.
Hu's team then took brain slices from the mice in order to measure the electrical currents produced from mPFC neurons.
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.
Using a resistor to convert electrical charge to alternating current, Krupenkin was able to harvest electrical energy from drops of either mercury or galinstan, a gallium - based alloy as they were moved along these channels and over the electrodes.
To make efficient vibration harvesters from PVDF, researchers must stack the polymer in multiple layers, improving the output current and reducing the electrical impedance that is inherent to piezoelectric materials.
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.
A coil of wire made from such a metal could carry an electrical current round and round forever, without needing a power source to drive the current.
André - Marie Ampère (1775 — 1836) Another major electrical unit, the current - measuring ampere, takes its name from this French physicist.
Electrodes are surgically implanted into or on top of target nerve fibres, ready to sense electrical signals from neural activity or to deliver electric current that mimics the language of the nervous system.
Electrical current is injected into the device, tunnelling from single - layer graphene, through few - layer boron nitride acting as a tunnel barrier, and into the mono - or bi-layer TMD material, such as tungsten diselenide (WSe2), where electrons recombine with holes to emit single photons.
If the right electrical current is applied, the electrons jump from layer to layer, in each step emitting energy in the form of light.
«We've proved that generating entanglement between photons emitted from an LED can be achieved by adding another peculiar physical effect of superconductivity — a resistance - free electrical current in certain materials at low temperatures.»
In June biochemist Shuguang Zhang and his colleagues at MIT showed they could bend that capability to a technological end, using light - harnessing proteins from spinach to convert sunlight into an electrical current.
While his approach is grounded in current human clinical practice with surface recording arrays, the large scale and requirements of the NESD program require a dramatic departure from prior electrical approaches to brain interfaces.
The next step, microfluidic electrophoresis, uses an electrical current to move and further separate the P1 molecules from any other remaining components.
Current position: Undergraduate student at Middle East Technical University (pursuing second bachelor's degree in physics) Education: Bachelor's degree in electrical - electronics engineering from Middle East Technical University
So the researchers built a flexible sensor containing an enzyme that strips electrons from lactate to generate a weak electrical current.
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.
Batteries generate electrical current when ions pass from the negative terminal, or anode, to the positive terminal, or cathode, through an electrolyte.
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).
There is a sensory branch of the vagus in the outer ear and, by sending electrical current down the nerves and into the brain, researchers were able to influence outflows from the brain that regulate the heart.
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.
«Here we present a highly efficient, inexpensive and scalable ammonia - based thermally regenerative battery where electrical current is produced from the formation of copper ammonia complex,» the researchers report in the current issue of Energy and Environmental Science.
As each base of the strand passes through the pore, it blocks some ions from passing through at the same time; amplifiers attached to the nanopore chip can register the resulting drop in electrical current.
All - optical computing devices promise to be faster and more efficient than current technology, but they suffer from the drawback that signals have to be converted back and forth from optical to electrical.
Education: Current Ph.D. student at Carnegie Mellon; M.S in electrical and mechanical engineering from MIT; B.S. in electrical and mechanical engineering from MIT
Lines of electrical current and magnetic force can sometimes be traced, without interruption, all the way from the ground beneath our feet to the base of seething sunspots 93 million miles away.
The MESSENGER observations and data from the two earlier Mariner 10 flybys are consistent enough to describe a dipolar field with an active electrical dynamo in which the magnetic field is produced by electrical currents flowing in an outer core of molten metal (more discussion and images from MESSENGER's January 2008 flyby).
Many of the frontiers of fusion science exist at the extremes of the plasma state, a state of matter where gases are hot enough that electrons disassociate from atomic nuclei (ions), forming an ensemble of ions and electrons that can conduct electrical currents and be confined by electric and magnetic fields.
We have discovered a fascinating property with our Ink after reading a paper from China that showed that an electrical current is produced when sea water is made to flow over Graphene.
SAFE replacement of mercury amalgams, or fillings, and other toxic metals from your mouth can reduce both the chronic exposure to mercury vapor, as well as the electrical currents that are created by the contact of different metals in fillings and crowns.
It's called earthing because some scientists theorize that to stay healthy, particularly with all the stray electrons we're exposed to from constant smart phone and computer use to insulation from our cars and shoes from earth energy, our bodies need a daily charge from mild electrical currents surging through the earth's surface.
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