Sentences with phrase «using magnetic field»

An MRI works by using a magnetic field and radio waves to create images that are clearer and more detailed than other type of diagnostic scan.

In MRI, hydrogen atoms in the body — atoms that are mostly contained in water molecules and fat — are excited using a magnetic field.

Using a method that they published earlier this year, the team arranged metal - oxide nanosheets into a single plane within a material by using a magnetic field and then fixed them in place using a procedure called light - triggered in - situ vinyl polymerization, which essentially uses light to congeal a substance into a hydrogel.

It is, however, possible to effectively fill these gaps using a magnetic field.

In theory, superparamagnetic particles could be ideal for drug delivery, as they can be directed to a tumor simply by using a magnetic field.

Cryptochromes are found in the retina of migratory birds and seem to be activated when birds are navigating using the magnetic field.

«What you really would like to do is get this temperature above room temperature, so you can switch the material by using a magnetic field,» Plummer said.

It will do this by using a magnetic field to confine a superheated hydrogen plasma inside a doughnut - shaped reactor called a tokamak.

As this magnetization is written using a magnetic field, it can also be erased by a magnetic field.

Professor Edward P. Furlani, PhD, in UB's Chemical and Biological Engineering and Electrical Engineering departments, said that Vader's process mimics drop - on - demand inkjet printing and is based on the principles of magnetohydrodynamics, i.e. the manipulation of conductive fluids using a magnetic field.

«3 - D printed active metamaterials for sound and vibration control: Researchers develop 3 - D printed acoustic metamaterials that can be switched on and off remotely using a magnetic field.»

By 3 - D printing a deformable material containing iron particles in a lattice structure, their metamaterials can be compressed using a magnetic field.

Unlike current metamaterials, these can be turned on or off remotely using a magnetic field.

Each bit is encoded using the magnetic field of a single atom — making for extremely compact data storage, although researchers have stored only two bits of data so far.

Using magnetic fields, the switch is reversible and very rapid.»

BACKGROUND: In 1971, while contemplating the hamburger he was eating, American chemist Paul Lauterbur had an epiphany about how to use a magnetic field and radio waves to create images of living tissues.

It used magnetic fields to contain electrically charged particles in a narrow, spiraling path while an electric field accelerated them.

A team of metrologists scanned the plasma containment chamber, or stellarator (as in, «this thing works like a star»), that uses magnetic fields to confine the super-hot plasma within the reactor at the Princeton Plasma Physics Lab in sections, then stitched more than 20 of them together in a seamless mosaic.

But if we do away with solid vessels and use magnetic fields (such as in fusion reactors) instead, then higher temperatures can be reached.

MagMIMO does the same thing, but using magnetic fields instead of radio waves.

The machine will then use magnetic field to contain and control that superheated plasma mass.

NMR machine use magnetic fields and radio waves to probe the spins of atoms, and to change their orientation.

He has suggested that a technique called transcranial magnetic stimulation (TMS), which uses magnetic fields to disrupt neuronal firing, can knock out a normal person's conceptual brain machinery, temporarily rendering him savantlike.

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.

Pickard says that honeybees use the magnetic field around them to align the parallel sheets of a comb when they build in darkness — in hollow tree trunks, for example.

The problem is solved by using magnetic fields, which confine and thermally insulate the charged particles in the fuel, keeping them away from material surfaces.

«I have been presenting this as a miniaturized version of a fidget spinner where we use the magnetic field to generate an isotropic interaction around the particles,» Biswal said.

Researchers then used magnetic fields and lasers to fuse the atom pairs into molecules with the lowest possible vibrational and rotational energy.

Among them is fMRI, a collection of techniques that uses magnetic fields and sensitive detectors to spot active brain areas by telltale increases in blood oxygen.

Since the operating temperature for fusion is in the hundreds of millions degrees Celsius, hotter than any known material can withstand, engineers found they could contain a plasma — a neutral electrically conductive, high - energy state of matter — at these temperatures using magnetic fields.

To detect micromestastases, Lu and his team used MRI imaging — which uses a magnetic field and radio waves to produce images — and combined it with a special chemical contrast solution.

Cylindrical in shape, it uses a magnetic field to restrict particles to movement along its axis.

Professor Kim and his research team used a magnetic field in order to overcome the drawback that the movement of biomolecules such as proteins and DNA is slow when the transport only depends on diffusion.

Some areas of potential concern come with sharks, which use magnetic fields to hunt prey.

«Controlling soft robots using magnetic fields.»

This method uses magnetic fields to break the time - reversal symmetry with certain specialized garnet and ferrite materials.

In fact, some of the more promising technologies involved with nuclear fusion research use magnetic fields to contain plasmas.

Sandia's Z machine uses magnetic fields and electrical currents to mimic the temperatures, pressures and radiation of a nuclear blast.

Magnetic resonance imaging (MRI) uses a magnetic field and radio waves to produce a detailed image of tissues within the body.

A team of engineering researchers has made a fundamental advance in controlling so - called soft robots, using magnetic fields to remotely manipulate microparticle chains embedded in soft robotic devices.

Trap the plasma inside the aluminum can, again using magnetic fields; if the plasma physically touched the can, the aluminum would vaporize almost instantly.

And although prior experiments have shown that loggerheads use magnetic fields to navigate in open water, mystery still surrounds how they find their native beach.

Because sea turtles use a similar magnetic map, the researchers speculate that many migratory marine animals, such as eels, sharks, and seals, may also navigate using magnetic fields.

But researchers at the Massachusetts Institute of Technology (MIT), led by physicist Marin Soljacic, think using magnetic fields to induce a current in a distant device is the most promising approach.

TMS therefore uses magnetic fields to specifically inhibit or stimulate single brain areas by weak electric stimulation through the scalp.

Since MIT's (Massachusetts Institute of Technology) introduction of the Coupled Magnetic Resonance System (CMRS) in 2007, which used a magnetic field to transfer energy for a distance of 2.1 meters, the development of long - distance wireless power transfer has attracted much attention for further research.

MRI uses magnetic fields and radio waves that interact with protons in the body to produce detailed images of the body's interior.

For that, they would presumably use the magnetic field.»

New research suggests scientists are getting close to using magnetic fields and powerful particle beams to control fusion reactions.

MRIs, which use magnetic fields and radio waves, produce three - dimensional images of internal organs.