Sentences with phrase «creates electric currents»

The interplanetary magnetic field and the solar wind in general impacts the Earth's magnetosphere and creates electric currents that cause aurorae and magnetic disturbances on the ground.
«That flow creates electric currents that create a magnetic field.
He observed that changing magnetic fields creates electric currents, and moving electric charges generates magnetic fields.
Some of this thermal energy could be harvested using thermoelectric materials; they create electric current when they are used to bridge hot and cold objects.
Two biomedical scientists at the University of Malmo in Sweden created an electric current between two electrodes placed in a solution of blood and water.
These tiny strips contain crystals that create an electric current when flexed — each time the heart expands and contracts.
As wind pushes against the window, the springs compress and create an electric current as the charged plates of plastic approach each other.
The pressure created electric currents that were transferred to the skin, which the researchers felt as mild tingling.
The trouble, from an electric utility's perspective, is the tens of thousands of Arizona's total of three million or so homes that have installed small solar: photovoltaic panels made from wafers of semiconducting material, typically silicon, that use incoming sunlight to create an electric current.
From downtown Munich to the fields of Bavaria, those panels exploited the photoelectric effect (in which light expels electrons to create an electric current) to crank out the equivalent of 16 nuclear power plants operating at full capacity.
This change in charge creates an electric current.
While some engineers are dragging solar energy into the big time, others are getting small: They have hit upon a novel phenomenon that creates an electric current in nanotubes, hollow microscopic structures made of carbon atoms.
Specifically, we have found that H + ions (protons) actively contribute to create an electric current that is needed for proper regeneration.»
These energized electrons begin to flow, creating an electric current.

Not exact matches

«The key to this metamaterial and metadevice is vanadium dioxide, a phase change crystal with a phase transition that is triggered by temperatures created by an electric current,» said Lei Kang, research associate in electrical engineering, Penn State.
And they should be easy to create and destroy, using something simple like an electric current.
Creating light in small structures on the surface of a chip is crucial for developing fully integrated «photonic» circuits that do with light what is now done with electric currents in semiconductor integrated circuits.
The earth's magnetic field is created by electric currents in an ocean of molten iron at its core.
Here's how it works: When pressure from the outside squishes the two layers together, an electric current is created, running through the thickness of the material.
A coil in the base unit creates an electromagnetic field that interacts with a coil attached to the car, which converts it back into an electric current.
The movement of free electrons and the gaps created by those loosed particles generate an electric current.
That imbalance pushes oppositely charged particles in opposite directions to create a powerful electric current.
This concerted flow of electrons constitutes an electric current which in turn creates a magnetic field across the gap, perhaps providing the spark which causes the opposing fields on either side to break and reconnect.
Electric current from the vehicle's generator creates plasma — hot, electrically charged atomic fragments — that transforms diesel into a hydrogen - rich gas that then scours pollutants from the vehicle's exhaust - treatment system.
They take advantage of the fact that every time neurons send each other signals, their electric current creates a tiny magnetic field.
Friedman's all - carbon, spintronic switch functions as a logic gate that relies on a basic tenet of electromagnetics: As an electric current moves through a wire, it creates a magnetic field that wraps around the wire.
The team also found that the parallel stack was most efficient at producing an electric charge, consistently creating stronger current.
Nocera and his postdoctoral student, Matthew Kanan, discovered that cobalt (a widely available metal) can be used to create a catalyst that similarly splits water molecules — in this case, in the presence of an electric current.
Take the building blocks of proteins — amino acids — which are found on meteorites and can also be created in the lab simply by running an electric current through ammonia and other compounds.
The researchers took a permanent magnet GaMnAs and by applying an electric current inside the permanent magnet they created a new internal magnetic cloud, which was able to manipulate the surrounding permanent magnet.
The device, known as a transcranial magnetic stimulator, is designed to send a strong electric current through a metal coil, which creates an intense magnetic field for about one millisecond.
The coil was connected to a capacitor, which discharged an electric current to create a split - second magnetic pulse inside the coil, about 10 times weaker than the magnetic field generated by an MRI machine in a hospital.
In terms of consumer applications, high - purity graphene could also be a great option to build efficient thermoelectric devices that convert heat into electric current (and vice versa) with little energy loss — for instance, creating lightweight circuitry woven into clothes that turns body heat into charge for our smartphones.
These currents generate electric currents which create the magnetic field in a natural process known as a geodynamo.
«Can we create and sustain a big - enough magnetic bubble in a tokamak to support a strong electric current without a solenoid?»
Based on the fact that nothing can grab hold of your attention as effectively as an electric shock, Pavlok have created the first «behavior change wearable» that will jolt you with 340 V of electric current whenever you choose not to follow your fitness plan (or any other plan, for that matter).
Basically, they use microcurrents of electricity to create a very small 3.92 Hertz or one - half of the Earth Schumann frequency of 7.83 Hz alternating electric current (i.e.: the cycle of polarity change happens 3.92 times a second).
His success was in developing switching mechanisms that allowed engineers to easily start and stop the electric currents created by the generators.
A larger project is currently being considered that would create the largest hydro - electric generator in the world, potentially double that of the current record holder - the Three Gorges facility on the Yangtze River in China.
This Pokémon creates a powerful magnetic field by emitting strong electric currents from the pads -LSB-...]
This Pokémon creates a powerful magnetic field by emitting strong electric currents from the pads on its hands and feet.
It creates a powerful magnetic field by emitting strong electric currents from the pads on its hands and feet.
The first buying guide we created (found at products.cleantechnica.com) covers current electric cars for sale (or soon coming to market) in North America and Europe.
Its fuel cells use natural gas or renewable biogas, which react electrochemically with oxygen to produce electric currents without creating emissions.
Coronal holes produce a recurring solar wind burst which in turn (for low latitude coronal holes) creates a space charge differential in the earth's ionosphere which in turn causes an electric current to flow from high latitude regions to the earth's equator.
Wireless chargers (also known as «inductive charging») typically use an induction coil to create an alternating electromagnetic field from within a charging base station, and a second induction coil in the portable device takes power from the electromagnetic field and converts it back into electric current to charge the battery.
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