Sentences with phrase «molecules vibrate»

Different molecules vibrate at characteristic frequencies and therefore interact with beams tuned to specific frequencies.

As the iodine molecules vibrate, the diffraction pattern changes, and we can follow the changes in nuclear separation in real time.»

At ordinary temperatures diiodine molecules vibrate continuously around the equilibrium internuclear distance, alternately becoming stretched and compressed.

Just as the diiodine molecule vibrates about its equilibrium internuclear distance, and molecules in solid iodine jiggle around in three dimensions, still keeping the overall structure of the crystal intact, so, too, there are fluctuations in the concentrations of all chemicals which participate in chemical equilibria.

Chemists have long known that atoms in a molecule vibrate at a particular frequency, depending on their overall molecular structure.

For example simple spectroscopy dictates that the CO2 molecule vibrates, stretches, and rotates creating quantized absorption lines that are Doppler broadened and pressure broadened and absorb the infrared radiation coming from the warmed planet.

In contrast to a solid in which the molecule vibrating rather than moving.

But one can cause these molecule vibrate and / or spin faster and not have molecules moving very fast, such molecules could have a cool temperature and be radiating a lot of energy

Raise a thermometer through the atmosphere of the same molecules vibrating or moving at the same T.

Key paragraph: «The fact that a molecule vibrates does not in itself insure that the molecule will exhibit an IR spectrum.

Not exact matches

Yet your blood is moving, your eyes are blinking, your cells are reproducing, and your molecules are vibrating around like crazy.

Ultrasonic technology uses ultrasound to agitate the molecules within the film causing them to vibrate and this creates the heat required to seal the pack.

A competing theory has it that the laser pulses rapidly heat water molecules in the inner ear, causing tiny shockwaves that vibrate the hairs in the same way sound waves normally do.

Using SLAC's instrument for ultrafast electron diffraction, researchers were able to directly see the motions of atomic nuclei in vibrating molecules for the first time.

«High - speed «electron camera» films atomic nuclei in vibrating molecules: Method gives scientists new ways to study rapid nuclear motions in nature's light - dependent processes.»

When heated, molecules begin to vibrate and move around very fast.

The tiniest weights are measured using nanotubes, which vibrate at different frequencies depending on the mass of the particles or molecules on them.

The microwaves cause water molecules to vibrate; the increased friction between the molecules results in heat.

Raman spectroscopy is a well - known method of analyzing materials in a liquid form using a laser to interact with the vibrating molecules in the sample.

The wavelengths of the absorbed light reveal how the target molecule's chemical bonds vibrate, which in turn tells about the types and positions of atoms in the molecule, the kinds and strength of bonds among atoms and the symmetry of the molecule, Milo says.

«These atoms start to vibrate happily together, and form a bound molecule.»

For this technique, the newly created NaK molecules were exposed to a pair of lasers, the large frequency difference of which exactly matched the energy difference between the molecule's initial, highly vibrating state, and its lowest possible vibrational state.

The resulting bond is relatively weak, creating what Zwierlein calls a «fluffy» molecule that still vibrates quite a bit, as each atom is bonded over a long, tenuous connection.

«Polymer molecules conduct heat by vibrating, and a stiffer molecule chain can vibrate more easily,» Shanker said.

However, Guo says, there are also «many minispoons» stirring up the surrounding cytoplasm, in the form of proteins and molecules that, every so often, actively push vibrating organelles around like billiard balls.

The nanospeakers don't generate sound like conventional speakers, which make noise by vibrating the surrounding air molecules.

Likewise, the femtosecond «flashbulb» enabled scientists to observe phenomena never before seen in freeze - frame: vibrating molecules, the binding of atoms during chemical reactions, and other ultrasmall, ultrafleeting events.

These vibrating molecules — just like the rotating dipolar ones Snyder observed — could absorb and emit radiation.

At temperatures just a few degrees above absolute zero, the molecules would still vibrate.

But he says there are still technical hurdles to overcome, such as tuning different lasers to vibrate the molecules at a variety of frequencies at the same time.

At closest range, we observe the incessant buzzing of molecules — vibrating at 1,100 miles per hour in the air of a room at a pleasant 72 degrees Fahrenheit.

It is vibrating molecules that give us the sensation of heat, and it is by this mechanism that heat energy is trapped by the atmosphere and re-radiated to the surface.

The result of Clearlight True Wave ™ patent pending heater designs allows for better performance well within this vital wave range of 6 to 12 microns with a good portion of wavelengths at the frequency at which a water molecule resonates or vibrates.

When far infrared waves are applied to water molecules (comprising 70 % of our body) these molecules begin to vibrate.

Information about how molecules bonds vibrate is also included.

It is first necessary to understand that molecules are made up of atoms (with mass) are held together by bonds, much like two balls linked by springs, and therefore have ways of vibrating at specific frequencies.

However, molecules with 3 or more atoms can vibrate by changing the angles between the three atoms, and they can vibrate at additional (lower) frequencies.

When an IR photon hits a greenhouse gas molecule e.g. CO2, it causes the molecule to vibrate even faster.

When a «hot» air molecule collides with a CO2 molecule, it can also cause the CO2 molecule to vibrate faster, and the CO2 can emit this additional energy as a photon.

The bonds between two atoms in a molecule are particularly strong, and can only vibrate at very high frequencies (emphasize frequencies over energies) well above the frequency of infrared or the solar radiation spectrum.

When CO2 absorbs the radiation it «excites» the molecule, causing it to vibrate more energetically.

Wikipedia states that molecules containing two atoms of the same element, or gases such as Argon which have just one atom per molecule, have no net changes in their distribution of electrical charges when they vibrate.

``... this pulls the carbon in one direction and the oxygens in another, so an electromagnetic wave that vibrates at the correct frequency can excite the molecule into a vibrational motion in which the carbon atom moves in the opposite direction to the two oxygen atoms.

The molecules, even in the vibrational ground state are vibrating back and forth about the equilibrium value (in CO2 the primary importance is bending away from linear, back and forth).

Without an oscillating dipole moment, there is no way for the ir energy to interact with the vibrating molecule when their frequencies are in resonance.

When an atmospheric molecule absorbs energy by conduction or radiation it vibrates faster thereby becoming warmer.

When that energy hits molecules in the atmosphere some of the energy is absorbed by the molecules in the atmosphere which then vibrate more quickly.

This is the direct and powerful thermal infrared, longwave infrared, actually capable of doing the cooking, of making the whole molecules of matter vibrate which is also heat, kinetic energy.

Unlike CO2 or H2O these are a few spikes only, as the vibrating mode is only possible in a 3 - atom molecule.

One of the ways our world differs from the quantum world shows up in these rotations and vibrations of «diatomic molecules» — molecules made up of two atoms: while human dancers can spin or move back and forth as fast or slow as they wish (within the limits of their physical capabilities), molecules can only vibrate or rotate at specific rates — their motions are «quantized.»