Radio - frequency identification
uses electromagnetic fields to attach digital identities to physical objects.
It may seem like a simple change, but the new carriers will
use electromagnetic fields to raise and lower platforms instead of cabling.
«We control the below - threshold harmonic light emission by
using electromagnetic fields with time - dependent ellipticity, like we have done to the above - threshold high - order harmonics,» said Chang referring to the creation of a 67 - attosecond pulse of extreme ultraviolet light, which earned him international recognition.
I think the work that, I think, [I'm] probably best known for all was a collaboration I did with a colleague called Roman Znajek, where we proposed a particular mechanism for extracting,
using electromagnetic fields, the spin energy of a black hole.
On top of that, Mercedes also says the Vision 6 can be charged wirelessly
using an electromagnetic field.
Through electromagnetic induction, inductive charging
uses an electromagnetic field to transfer energy between two objects.
Qi wireless charging technology
uses an electromagnetic field and inductive coupling to send energy from point A (transmitter) to B (receiver).
Not exact matches
If there is a basic thesis, it is that Whitehead has
used the concept of the
electromagnetic field in physics as a model for human experience (PW 125/134, 183/201; RL 285).
Microwave ovens work by making
use of an
electromagnetic field.
Using the freedom of design that metamaterials provide, we show how
electromagnetic fields can be redirected at will and propose a design strategy.
The engineless model could only be powered remotely —
using a heated gold surface to stop its wheels sticking and an
electromagnetic field to drag it forwards.
It
uses magnetic
fields that are a fraction of the strength but at higher frequency than the
electromagnetic fields used in TMS and ECT,» explained first author Dr. Michael Rohan.
To simulate the results from a hypervelocity impact plasma, researchers
used a method called particle - in - cell simulation that allows them to model the plasma and the
electromagnetic fields simultaneously.
To manipulate the foreign DNA, the scientists
used optical tweezers, which essentially tweaks a laser beam whose
electromagnetic field can grab hold of and transport a plasmid - coated particle.
The method combines two high - tech laboratory techniques and allows the researchers to precisely poke holes on the surface of a single cell with a high - powered «femtosecond» laser and then gently tug a piece of DNA through it
using «optical tweezers,» which draw on the
electromagnetic field of another laser.
NFC
uses electromagnetic radio
fields to allow two devices to exchange data in either direction when passed within four or five centimeters of one another.
Conventionally, chirality is determined
using so - called circularly polarised light, whose
electromagnetic fields rotate either clockwise or anticlockwise, forming a right or left «corkscrew,» with the axis along the direction of the light ray.
These findings provide further evidence that exposure to radio frequency
electromagnetic fields associated with maternal
use of mobile phones during pregnancy is not linked to neurodevelopment in children.
VLF
electromagnetic fields are already
used underwater in submarine communications.
Their team of young assistants then festoons the property with infrared cameras and digital voice recorders, and for the rest of the night the team shuffles about in groups of two
using handheld devices to measure unexplained changes in temperature and fluctuations of
electromagnetic fields (knowingly shortened to «EMF»).
Both strong and weak
electromagnetic forces are understood
using renormalisable quantum
field theories based on QED as a prototype.
Each subject's brain is comprehensively imaged once a year
using magnetic resonance imaging (MRI), a technique that employs an
electromagnetic field to detect the shape and density of tissue.
«For example, we know that some metallic glasses have demonstrated enormous potential for
use in electric motors, reducing waste heat and converting more power from
electromagnetic fields into electricity.»
A knowledgeable enemy could probe side - channels, such as
electromagnetic fields or sounds emitted by a working device, and potentially gain enough information about its internal operations to crack even mathematically sound encryption methods
used to protect the design.
The team
used a tried - and - tested type of quantum computer in which an
electromagnetic field traps four ions in a row, each one encoding a qubit, in a vacuum.
The radio stations are
used to reconstruct the electric
field emitted by cosmic particle induced air showers which gives, e.g., a precise measurement of the energy contained in the
electromagnetic shower.
The World Health Organization's International Agency for Research on Cancer (IARC) classified cell phone
use and other radiofrequency
electromagnetic fields as a possible carcinogen in 2011.
Peter is a consultant who
uses his 30 years of experience in
electromagnetic field surveys to design low EMF buildings for commercial and residential clients.
Electromagnetic fields, or EMFs, are invisible waves of force that are emitted any time electricity is generated or
used.
While infrared saunas have been proven safe to
use and beneficial to health, concerns still circulate regarding the level of
electromagnetic (EMF)
fields they emit.
The Ondamed is the state - of - the - art in energy medicine
using pulsed
electromagnetic fields and biofeedback to help support the body's stress response and immune system.
Pulsed
electromagnetic frequency (PEMF) is most commonly known to be
used as a reparative technique in the
field of orthopedics for the treatment of non-union fractures, failed fusions and depression.
4.6.2.4 -
Uses and applications of
electromagnetic waves (P6.8 lesson) Paper 2 topic 3 (4.7 - Magnetism and electromagnetism) 4.7.1.1 - Poles of a magnet (P7.1 lesson) 4.7.1.2 - Magnetic
fields (P7.1 lesson) 4.7.2.1 — Electromagnetism (P7.2 lesson) 4.7.2.2 - Fleming's left - hand rule (HT only)(P7.3 lesson) 4.7.2.3 - Electric motors (HT only)(P7.3 lesson)
Participants included Volvo, Bombardier Transportation, and Van Hool, all working with partial funding from the Flemish government to conduct advanced studies on charging electric cars and buses
using energy transfer via
electromagnetic fields.
Named after scientist Michael Faraday who invented it back in 1836, a Faraday cage
uses an enclosure to block
electromagnetic fields.
The Assisi Loop 2.0
uses patented targeted pulsed
electromagnetic field (tPEMF) technology that has been demonstrated through laboratory testing to have a proven effect on the known biochemical and cellular mechanisms of action related to inflammation, with results published in peer - reviewed journals.
This device is typically
used in order to measure the
electromagnetic field in the surrounding area.
Electromagnetic fields (EMF) are detectable
using an EMF detector or meter, a useful device popularly
used by ghost hunters.
Pulsed
electromagnetic field (PEMF) therapy is
used specifically for pain relief and healing.
The pulsed
electromagnetic fields are more powerful, but are more expensive and are usually
used by the veterinarian on your pet at the animal hospital, or some horse owners may have them if they have multiple horses.
The Princeton Tour Company supplies tools to both skeptics and believers on its various ghost hunts:
electromagnetic -
field meters, dowsing rods, thermal meters for sensing heat, and instructions on how to «take orb shots»
using camera phones.
The magic happens when you take the lengthy USB cable and
use it to plug the Powerplay into your computer, at which point not only does the pretty LED RGB logo illuminate but by
using electromagnetic resonance the unit essentially creates an energy
field that extends just a tiny bit off the pad, enough that the the special battery within the mouse can
use it to charge itself.
After stumbling upon the interference of
electromagnetic fields by chance in 1978, she began her most accomplished work
using this phenomenon in 2004, when she produced the first in an ongoing series titled Electrical Walks.
I have never heard of anyone
use the term «impedance» in connection with radiative transfer, unless they were talking about the impedance to the
electromagnetic field...
The ensemble consists of seven members each of which
uses a unique set of NCEP / NCAR atmospheric forcing
fields from recent years, representing recent climate, such that ensemble member 1
uses 2005 NCEP / NCAR forcing, member 2
uses 2006 forcing..., and member 7
uses 2011 forcing... In addition, the recently available IceBridge and helicopter - based
electromagnetic (HEM) ice thickness quicklook data are assimilated into the initial 12 - category sea ice thickness distribution
fields in order to improve the initial conditions for the predictions.
'' «Electrosmog» refers to the
electromagnetic fields emitted by computers and mobile phones, «eco-village» is a term
used for small ecologically - sustainable communities and «carbon footprint» is the measure of the impact human activities on the environment.»
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.
Qi chargers typically
use an induction coil to create an alternating
electromagnetic field from within a charging base station.
A simple and unconventional book that teaches you how to reduce your exposure to
electromagnetic fields (EMFs) and
use wireless technologies safely.
Cropping up in more and more homes, induction cooking
uses a power coil to produce a high - frequency
electromagnetic field that heats only the contents of a magnetic pan, leaving the surrounding surface cooler to the touch.