Sentences with phrase «of particle motion»

«Updated computer code improves prediction of particle motion in plasma experiments.»

Not exact matches

If, for example, nature is seen as a great machine made up of lesser machines ultimately composed of particles of matter in law - abiding motion, then the cell also will be understood as being a law - abiding machine.

Here goes another try... The Universe is a chaotic mixture of matter (sub-atomic particles) and energy (motion and, light) in space time, where matter, through evolution, recombines to raise up consciousness, such as yourself.

There were two familiar concepts with which they had organized the world of matter in motion: wave and particle.

The harmonious perfection of universal law, governing all motion from the smallest particle to the farthest planet, captured men's imagination.

would force us to accept a conception of the physical in which to give a causal account of, say, the motion of a physical particle, it is sometimes necessary to go outside the physical system and appeal to some nonphysical agency and invoke some irreducible psychophysical law.

I'm not sure we know exactly, but random motion of the particles, if not perfectly balanced, would have a net angular momentum.

In contrast, the fourteenth - century theory of impetus maintained that the motion of a mass - particle was due to an «impetus» which it acquired either from the moving - agent or from the mere fact of being in motion.

We may illustrate the distinction between becoming and occurring by regarding occasions A through C as the motion of a particle traversing 3 unit - lengths.

Order arises spontaneously, without purpose, out of the random motion of particles of matter.

Next, recent developments in quantum physics have revealed an ineradicable indeterminacy concerning motions of electrons, and thus we may have a hint from physical science itself that there is some contingency in the ultimate physical particles.

Thus we may think that, as the direction of motion in space may change, the time direction may change too; as a material particle may reverse its motion and pass again through the positions previously occupied, «the moving present» can also return to the past; or as the motions in space may be circular, the course of time may be circular too.

De Broglie showed in detail how the motion of a particle, passing through just one of two holes in a screen, could be influenced by waves propagating through both holes.

And is it not clear, from the diffraction and interference patterns, that the motion of the particle is directed by a wave?

Our measurements of the particle's location and its motion (actually, its momentum) are reciprocally land inversely] related to each other The more we know about one, the less we know about the other,»

Leon Lederman, the well - know physicist in his book on the history of particle physics, The God Particle, (GP 175) expresses the unavoidable finitude as a limit of knowledge expressed by what Max Planck called the «quantum of action,» now known as Planck's Constant: «Heisenberg announced that our simultaneous knowledge of a particle's location and its motion is limited and the combined uncertainty of these two properties must exceed... nothing other than Planck's constaparticle physics, The God Particle, (GP 175) expresses the unavoidable finitude as a limit of knowledge expressed by what Max Planck called the «quantum of action,» now known as Planck's Constant: «Heisenberg announced that our simultaneous knowledge of a particle's location and its motion is limited and the combined uncertainty of these two properties must exceed... nothing other than Planck's constaParticle, (GP 175) expresses the unavoidable finitude as a limit of knowledge expressed by what Max Planck called the «quantum of action,» now known as Planck's Constant: «Heisenberg announced that our simultaneous knowledge of a particle's location and its motion is limited and the combined uncertainty of these two properties must exceed... nothing other than Planck's constaparticle's location and its motion is limited and the combined uncertainty of these two properties must exceed... nothing other than Planck's constant, b...

A tiny baby's sucking and swallowing motions aren't necessarily coordinated enough to take in bigger particles of rice cereal, so sometimes those particles may get inhaled into the baby's lungs.

In this regard, they develop equations for describing the particles» motion; the solutions to these equations describe the trajectories of these colloidal particles.

These researchers favor a theory known as modified Newtonian dynamics, or MOND (SN: 3/31/07, p. 206), which adjusts the rules of gravity to make sense of stars» motions, without requiring any new, elusive particles.

As particles collide with molecules of a liquid or gas in which they are suspended, they experience jittery random movements called Brownian motion.

While studying this motion in 1907, Einstein predicted that a particle's kinetic energy — and thus the square of its velocity — should be proportional to the temperature of its surroundings.

APRIL 1860 ELECTRIC THEORY — «The results of the experiments instituted by Sir William Grove are exceedingly curious, and must be regarded as all but proving the truth of the modern theory, which assumes that electricity is not, in any sense, a material substance but only an affection (state) or motion of the particles of ordinary matter.

Since the ball is made of elementary particles (quarks and electrons), you could in principle describe its motion without making any reference to tennis balls:

Astronomers think these motions are guided by filaments of dark matter, exotic particles whose presence is known only by their gravitational pull.

Electromagnetism is the physics of the electromagnetic field: a field, encompassing all of space, which exerts a force on those particles that possess the property of electric charge, and is in turn affected by the presence and motion of such particles.

When the particle of light strikes the front wall of the train car, it brings the car's backward motion to a halt.

In the UChicago experiment, photons travel back and forth between mirrors, while their side - to - side motion mimics the behavior of massive particles like electrons.

In the model microscopic system developed by scientists from Bristol, Düsseldorf, Mainz, Princeton and Santa Barbara, a ring of colloidal particles are localised in optical tweezers and automatically translated on a circular path, transferring a rotational motion to an assembly of identical colloids confined to the interior region.

Diffusion is a universal physical phenomenon, describing the motion of particles in their particular environment, whether solid, liquid or gaseous.

The authors suggest that the observed laws might describe a variety of dynamic phenomena from the motion of synthetic active particles to animal flocks and herds, human crowd or opinion dynamics and help to formulate the general laws of collective behaviour.

Still, the relative motions of the sun and the cloud (see diagram) create an apparent wind of particles.

The second confirmed the existence of molecules and atoms by statistically showing how their random collisions explained the jerky Brownian motion of tiny particles in water.

«What our colleague Chuanwei Zhang realized is, if you replaced the light with the motion of the particles, you got exactly the same physics,» said Engels.

Other papers that year were on Brownian motion, suggesting the existence of molecules and atoms, and the photoelectric effect, showing that light is made of particles later called photons.

They calculated the motions of 345 million ring particles with the realistic size of a few meters taking into account the inelastic collisions and mutual gravitational attractions between the particles.

Since charged particles tend to follow magnetic field lines, moving along them in a sort of corkscrew motion, the gas molecules fly not only outward but also upward and downward along the magnetic field lines.

However, the current technique of cooling atoms down from room temperature to the ultra-cold regime using optical molasses (the preferential scattering of laser photons from a particle in motion which leads to slowing) is limited to atoms with favourable electronic structure.

The discrepancy has consequences for equations such as those that describe the motion of particles or the propagation of waves.

The new type of accelerator, known as a laser - plasma accelerator, uses pulses of laser light that blast through a soup of charged particles known as a plasma; the resulting plasma motion, which resemble waves in water, accelerates electrons riding atop the waves to high speeds.

Temperatures were so high that the random motions of particles were at relativistic speeds, and particle - antiparticle pairs of all kinds were being continuously created and destroyed in collisions.

In narwhals, open tooth nerves can sense temperature, pressure, motion, and the presence of tiny particles in the surrounding water, Nweeia says.

The researchers use standard confocal microscopy to zero in on the constant, jiggling motions of a cell's particles.

We should like to know the laws of motion of the particles; to predict, among other things, how they will interact when they collide and how these interactions will deflect one particle when it collides with another.

The researchers recorded videos of the cells at different frame rates and observed how the particles» motions changed with cell stiffness.

There's just one catch: The material must be «in equilibrium,» meaning that any particle motions must be due to the effect of the material's temperature rather than any external forces acting on the particles.

Scientists at the National Institute of Standards and Technology (NIST) have developed a new device that measures the motion of super-tiny particles traversing distances almost unimaginably small — shorter than the diameter of a hydrogen atom, or less than one - millionth the width of a human hair.

Their calculations matched up with measurements only when they used the motion of particles captured at frequencies of 10 frames per second and higher.

The researchers use standard confocal microscopy to zero in on the constant, jiggling motions of a cell's particles — telltale movements that can be used to decipher a cell's stiffness.

Computer software then analyzes the motion of the oil particles to determine airflow and the force applied by the bird's wings.

In physics, heat is a form of energy associated with the motion of atoms, molecules and other particles which comprise matter; generally defined as energy in motion.