Sentences with phrase «by beams of light»

Films unfold in time, and the illusion of motion in film becomes visible through the continuous projection of still images by a beam of light onto a screen.

Many are of an ephemeral nature, such as ring n, 1966, a simple pile of sand, being remade for the exhibition, and Light on light on sacks, 1969, comprising a pile of hessian sacks illuminated by a beam of light.

The units of absorption factor depend on the units we use to measure the amount of CO2 in the column of the atmosphere encountered by the beam of light.

Not exact matches

In a future obscured by uncertainty — there is a beam of light.

Yet critics have frequently objected to the transformation of Cheever's characters by means of midnight cloudbursts or the beaming of light into a dark place.

The resulting theory, though founded on quite different principles and developed in an independent fashion from Einstein's theory, nevertheless gives predictions that are identical to the latter's, within observable limits, for each of the four classic tests of gravitational theories (i.e., precession of the perihelion of Mercury, redshift of light emitted by a massive body, the bending of light - beams in a strong gravitational field, and the apparent slowing of the speed of light propagation near massive bodies).

A laser beam (consisting of coherent light) is split by being passed through a half silvered mirror.

When a section of this same plate is illuminated by a laser beam (as shown in Fig. 4), light waves come out which are similar to those coming from the original object.

This system works by trapping a cellulose particle that's mere micrometers across in a beam of nearly invisible laser light.

After you choose between the floodlight or the spotlight beam, you can easily change between the five different light modes by pressing the soft - touch button on the tail end of the flashlight.

«We start by calculating the scattering of a single beam of light below the surface.

It works by projecting beams of light through an oxygen - permeable window into a liquid resin.

The hologram operates with circularly polarized light, and the information is encoded on to the light beam by the varied angles of the skyscrapers.

Strogatz explores dozens of strange synchronous phenomena, from hands clapping in unison to the rhythmic flashing of fireflies to laser beams produced by trillions of atoms emitting light waves in phase at the same frequency.

He's done so by precisely focusing infrared laser light to selectively ionize, or steal the electrons from, air molecules at the beam's focal point, generating a flash of bluish - white plasma.

«The transistor laser has those plus a third output — a coherent photon beam,» which can be transmitted by fiber - optic line for speed - of - light processing.

Many dolphins and whales seem to be able to narrow or widen the beam at will by deforming a lump of fat in their forehead, known as the melon, the way a glass lens can shape a cone of light.

The ANU team not only succeeded in building the experiment, which seemed nearly impossible when it was proposed in 1978, but reversed Wheeler's original concept of light beams being bounced by mirrors, and instead used atoms scattered by laser light.

A breakthrough method, described in an April report by Gero Miesenböck of Yale University, can induce behavior with a beam of light.

RoF works by encoding different types of wireless signals into a beam of light and sending them down a fibre - optic cable.

Further discoveries and patents led to WGM biosensors capable of gauging the mass of viruses, proteins and other nanoparticles by sending them into spacecraft - like orbit around the micro-bead, thanks to a photonic «tractor beam» caused by the resonating light.

The first, led by Edward Sargent, an electrical engineer at the University of Toronto in Canada, started by simply blasting a perovskite film with a beam of ultraviolet light.

The researchers used a coherent, nanoscale beam of X-rays generated by the high - flux synchrotron accelerator at the Advanced Light Source to interrogate each nanoparticle.

Inside the giant doughnut - shaped building that houses the synchrotron, a high energy electron beam runs at close to the speed of light in a storage ring 844 metres in circumference, shielded by thick concrete walls.

That's key to producing negative refraction, which the researchers demonstrated by cutting the slab into a wedge and using it as a prism to bend light beams of various colors.

Waves of vibrating electrons, freed by ultraviolet light from the sun, seem to be why radar beams bounce off the upper atmosphere

The devices harness the so - called gradient optical force, by which a light beam can exert a push or pull in a direction transverse, or perpendicular, to the direction of the light's propagation.

A camera was used to capture the beams of light and an artificial neural network was deployed to reveal the pattern and remove any possible disturbances that may have been caused by air turbulence.

Due to the voltage applied, a beam of light (top left) is modulated by the digital bits (bottom right) of the converter (yellow).

A study by Williams has thrown a beam of light on the ancient liabilities.

Guided by theory and using computer simulations to test various scenarios, the researchers looked at how beams of various colors and phases — basically a hodgepodge of laser light — affected the plasma.

They will be linked by three laser beams, forming a triangle of light whose sides are each 3 million miles long.

By carefully measuring the deflected light scientists can detect tiny differences in intensity across the spectrum which inform them about the chirality of the grating the laser beam interacts with.

The researchers combined two CNOT gates constructed from systems of mirrors that split light beams by reflecting some of the beam while transmitting the rest.

• Quantum Leap In January, two teams of Harvard physicists announced they had done the impossible by stopping a beam of light dead in its tracks.

Physicists make superheavy elements by taking a target film of a heavy metal and bombarding it with a beam of lighter nuclei.

In microscopy much effort is invested in reducing the impact of light or electron beam — the so - called observer effect» — on the sample to ensure that the images represent truly pristine structures, unaffected by the process of measurement.

By correlating the local effects of this emitted light with the position of the electron beam, spatial images of these effects can be reconstructed with nanometer - scale resolution.

By adjusting the material properties of the object and the polarizations and synchronization of the individual light waves in the beam, physicists can make the object radiate more light forward along the beam than backward toward its source.

Now, a team of engineers has come one step closer to the ideal by exploiting the phenomenon of photophoresis, in which small, airborne particles can be manipulated with an intense beam of light.

Bar - code scanners use Bessel beams because the pencil - like beam of light they produce is thin enough to read between the lines of a bar code; even so, scanner lasers are much thicker than the ones used by Betzig.

SPIM uses a thin beam of light to illuminate only the single plane that is currently being imaged so the biological sample is not damaged by overexposure to light.

He started by splitting a light beam as it passed through a 400 - foot - long glass fiber, which created a 40 - picosecond gap of darkness as one part of the beam lagged behind the other.

Conventional lasers build their bright beams by bouncing light back and forth between two mirrors and through a block of material called the gain medium.

In their experiment, a radioactive beam composed of scandium - 55 and titanium - 56 nuclei travelling at around 60 % of the speed of light, was selected and purified by the BigRIPS fragment separator, part of the RIBF.

In 1970 Ashkin trapped micron - size latex spheres suspended in water in between two fo - cused, counterpropagating beams of light [see «The Pressure of Laser Light,» by Arthur Ashkin; SCIENTIFIC AMERICAN, February 1light [see «The Pressure of Laser Light,» by Arthur Ashkin; SCIENTIFIC AMERICAN, February 1Light,» by Arthur Ashkin; SCIENTIFIC AMERICAN, February 1972].

But by squeezing the light into a smaller beam, more dots, or bits of information, can be stored.

They had achieved an even larger laser amplification, by a factor of 10,000, when using weak measurements to detect a shift in a beam of polarized light moving between air and glass.

The atoms are chilled to temperatures near absolute zero and levitated in a vacuum by an optical lattice, a «crystal of light» created by intersecting external laser beams.

When co-author Zhaoming Zhu, Gauthier's postdoctoral research associate, encoded information onto one of these beams, the data could be imprinted on these newly created phonons and retained for 12 billionths of a second, long enough to be transferred back to light again by shining a third laser through the fiber.