Magnetic
in sentence
208 examples of Magnetic in a sentence
Consider briefly an important source of aesthetic pleasure, the
magnetic
pull of beautiful landscapes.
MRI is using
magnetic
fields and radio frequencies to scan the brain, or any part of the body.
So what we're really getting out of this is information of the structure of the brain, but we can also measure the difference in
magnetic
properties of blood that's oxygenated and blood that's depleted of oxygen.
There will be a spinning
magnetic
field.
These freckles are called sunspots, and they are just one of the manifestations of the Sun's
magnetic
field.
They have different electrical and
magnetic
properties.
They have either identical or very similar electrical and
magnetic
properties.
One is the focused ultrasound, and the other one is the vision-enabled
magnetic
resonance imaging.
So this is cardiac
magnetic
resonance imaging.
We started by organizing image acquisition from
magnetic
resonance and CT imaging machines, from which to make a model of the patient's aorta.
And what he's doing is he's passing a small
magnetic
pulse through the skull of the participant in our study into their inferior frontal gyrus.
And for a joke, we take that super-secure chip and we bond it to a trivially counterfeitable
magnetic
stripe and for very lazy criminals, we still emboss the card.
The first is zero electrical resistance, and the second is the expulsion of a
magnetic
field from the interior of the superconductor.
But that's not all, because superconductors don't like
magnetic
fields.
So a superconductor will try to expel
magnetic
field from the inside, and it has the means to do that by circulating currents.
But the picture isn't always perfect, as we all know, and sometimes strands of
magnetic
field remain inside the superconductor.
Now, under proper conditions, which we have here, these strands of
magnetic
field can be trapped inside the superconductor.
And these strands of
magnetic
field inside the superconductor, they come in discrete quantities.
This is strands of
magnetic
field.
But what happens to the superconductor when we put it inside a
magnetic
field?
Well, first there are strands of
magnetic
field left inside, but now the superconductor doesn't like them moving around, because their movements dissipate energy, which breaks the superconductivity state.
You won't be surprised to hear that if I take this circular magnet, in which the
magnetic
field is the same all around, the superconductor will be able to freely rotate around the axis of the magnet.
But how many fluxons, how many
magnetic
strands are there in a single disk like this?
One hundred billion strands of
magnetic
field inside this three-inch disk.
In the past decade or so, mainly due to advances in brain imaging technology such as
magnetic
resonance imaging, or MRI, neuroscientists have started to look inside the living human brain of all ages, and to track changes in brain structure and brain function, so we use structural MRI if you'd like to take a snapshot, a photograph, at really high resolution of the inside of the living human brain, and we can ask questions like, how much gray matter does the brain contain, and how does that change with age?
Without needles and radioactivity, without any kind of clinical reason, we can go down the street and record from your friends' and neighbors' brains while they do a variety of cognitive tasks, and we use a method called functional
magnetic
resonance imaging.
MRIs use
magnetic
fields and radio waves and they take snapshots of your brain or your knee or your stomach, grayscale images that are frozen in time.
And we built software that'll link functional
magnetic
resonance imaging devices up over the Internet.
Magnetic
electronic pieces and ferrous paper.
It's as though you're moving an electrical wire through a
magnetic
field that generates current.
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