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 5
Electric Three - wheeler The all -
electric prototype took two years and $ 100,000 to build and has range of 5
electric 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.