Sentences with phrase «of electric pulses»

When impaled with electrodes, these cells did not produce a crackle of electric pulses.
By bringing its tail around toward its head, an electric eel can double the strength of the electric pulse it sends out into the water, allowing it to demobilize larger prey items, the study found.
The significance of the finding is that a racetrack memory device could control the flow of its bits simply by varying the length of the electric pulse used to push the bits along.
Some previous studies had found that the distance covered by a domain wall was directly proportional to the length of the electric pulse used to drive it, hinting that perhaps domain walls move without inertia — that is, they move at top speed or not at all.

Not exact matches

He bends down and kisses my forehead, and when he touches me with his mouth a wash of electric feeling pulses through me.
Then pulses of electric current are passed through her brain via electrodes positioned on her head.
When an intense laser pulse strikes a plasma of electrons and positive ions, it shoves the lighter electrons forward, separating the charges and creating a secondary electric field that pulls the ions along behind the light like water in the wake of a speedboat.
An electric eel zaps biologist Kenneth Catania with pulses of electricity during a leap attack in this slow - motion video.
Not surprisingly, the research is diverse, with projects ranging from neural network - based modeling of various systems to pulsed electric field treatment of food products.
Electromagnetic coils are positioned near a patient's skull to deliver brief pulses of magnetic fields; these induce electric currents inside the head, which cause neurons to fire in brain regions associated with mood.
Julian Dindas, a PhD student at Hedrich's department, used microelectrodes that register the electric voltage of the root hair's cell membrane, the so - called membrane potential, to study the early responses of the cell to a hormone pulse.
For instance, using light pulses of a precisely controlled waveform, physicists aim to switch electric currents in electronics circuits with light frequencies.
The signal - sending neuron pumps chemicals into the space, and the signal - receiving neuron takes up some of them, triggering a new electric pulse.
When a radio - frequency electric pulse is applied to one end of such a tube (Anderson and Alexeff use fluorescent lamps), the energy from the pulse ionizes the gas inside to produce a plasma.
When a branch at one end of a nerve cell, or neuron, is stimulated, an electric pulse races toward the main body of the cell.
The chip also converts the crystal's electric pulses to the slower frequencies needed to drive the hands of the watch.
When the animal sends out an electric pulse, most of the charge comes from its head, which Catania calls the «positive pole.»
In 2009, despite winning legal challenges, Taser International revised its training manuals to warn users that they should avoid firing at people's chests owing to the proximity of the heart to the electric pulses.
Those technologies include the «driver» used to crush the fuel capsule, such as lasers, heavy ion beams, or powerful pulses of electric current.
The weak pulses travel outward through the water then back to the electric organ through thousands of conductive pores covering the fish's body.
Some fish, such as the electric ray (Torpedo nobiliana), stun their prey with huge electrical discharges, while others sense their surroundings with a stream of weak pulses — sometimes more than 1000 a second.
The researchers can adjust the parameters of the experimental setup like the type and quantity of the fluid, the container size, or the electric pulse voltage in such a way that separation occurs precisely at the specified break points.
Several groups of fish have evolved the capacity to generate electrical pulses from specialised «electric organs», derived from either muscle tissue or nerve tissue.
Electron motions induced by a strong electric field are mapped in space and time with the help of femtosecond x-ray pulses.
In the experiments, electrons are set in motion by a very strong electric field which is provided for the very short time interval of 50 fs (1 fs = 10 - 15 s) by a strong optical pulse interacting with the LiH material.
To melt only the ice layer immediately in contact with the surface, he has developed a way of pulsing electric current into the heater in 1 - millisecond bursts.
Summers underwent regular physical therapy sessions during which researchers passed pulses of electric current through the electrodes to stimulate neurons in the spinal cord.
They trapped antihydrogen atoms as in previous experiments, but this time pulsed them repeatedly with an electric field to try to bump them out of the trap.
When hooked up to an electronic sensor, the pad converts signals from the sensor into small pulses of electric current across the grid, which the tongue «reads» as a pattern of tingles.
Indeed, they combined excitatory coupling of neighbouring cells with long - range interactions of distant cells inhibiting the electric pulse propagation, previously demonstrated by neuroscientists.
This strategy makes use of the intense electric fields associated with pulsed, high - energy laser beams to accelerate electrons and protons to «relativistic» velocities (i.e. speeds approaching that of light).
Stripes of electric sensors run along their heads and eel - like fins, detecting pulses emitted by food and foes.
Stimulating excitatory cells with chemicals or electric pulses causes them to fire, or send electrical signals of their own to neighboring neurons.
Comb technology has already had a large impact on studies of how atoms and molecules respond to the strong electric fields obtainable in intense, ultrashort light pulses.
Among other achievements, his group has used the response of electrons to measure the electric field of a laser's ultrashort pulses and display the waveform, much like displaying a radio - frequency wave on an oscilloscope.
In an FLCD, the molecules can be moved by a pulse of electric field between two stable positions: one in which the molecules shift the polarisation of light to let it through, and one in which they do not.
By coordinating the timing of laser pulses with changes in the electric field, the researchers were able to create and count Rydberg polarons one by one, ultimately forming millions of them for their study.
The electric current pulses 30 times a second, heating alternating layers of the sandwich with each surge.
During the course of the laser pulse, the electric field of the light wave oscillates about a dozen times.
Disassembly of actin structures by nanosecond pulsed electric field is a downstream effect of cell swelling.
Manipulation of cell volume and membrane pore comparison following single cell permeabilization with 60 - and 600 - ns electric pulses.
He or she will be like no one you've ever been with before, a breath of fresh air mixed with an electric pulse that shocks you into another dimension.
When you click on the ignition, the electric pulse will flow through the wires to the starter and the rest of the components that need the jolt.
The Audi Q7 E-Tron Quattro boasts a 34 - mile all - electric range, and a whole host of new technologies including active engine mounts that cancel out unwanted vibrations through selective counter pulses.
Magic Sky is an industry - first technology, using electric pulses embedded between the glass layers to adjust the amount of incoming sunlight.
LASER treatment, ultrasound, and pulsed electric magnetic field (PEMF) therapy are some of the common modalities that have been found to be effective.
The trip will take one - thousandth of a second during which the light's energy is amplified many billions of times to create a brief laser pulse 1,000 times the electric generating power of the United States.
The wires of our electric system act like antennae, receiving the deadly pulse.
Arcimoto Unveils Pulse Electric Three - wheeler The all - electric prototype took two years and $ 100,000 to build and has range of 5Electric Three - wheeler The all - electric prototype took two years and $ 100,000 to build and has range of 5electric prototype took two years and $ 100,000 to build and has range of 50 miles.
Now that electric drive components have been developed for reasonable cost, vehicle manufacturers have suddenly become turned on by the «power pulse» capability of electricity.
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