• ... some sort of an energy transfer ... typically heat ...
  • Talk dirty to it?
  • hot stuff :] LOL fires...maybe another sexy molecule hahahhaha
  • tickling...lots of tickling...
  • The College Dorm can sneak it into a Strip Club:)
  • This question could have been semi-humorous but honestly the only way I can think of is friction or an increase in frequency of a sound wave...I dunno.
  • CO2, Al2O3 (Ruby)Crystals are excited by florescent light, which makes their molecules oscillate as they absorb the light energy. When they overload they give off this light energy in waves until the energy can break free. This is LASER. Light Amplification through the Simulation Emission of Radiation.
  • When they say excited they just mean that cholorophyll has come into contact with light (sun) and then it gets all energetic and thats when things start happening..... ;) Without it, photosynthesis wouldn't occur.
  • Energy.
  • AB still having issues I see.
  • A couple of drinks and some good music, low enough to talk during, has always worked for me-oh, and rubbing on its thigh!
  • Well..if I were a molecule yo...
  • "Excitation is an elevation in energy level above an arbitrary baseline energy state. In physics there is a specific technical definition for energy level which is often associated with an atom being excited to an excited state. In quantum mechanics an excited state of a system (such as an atom, molecule or nucleus) is any quantum state of the system that has a higher energy than the ground state (that is, more energy than the absolute minimum). The temperature of a group of particles is indicative of the level of excitation. The lifetime of a system in an excited state is usually short: spontaneous or induced emission of a quantum of energy (such as a photon or a phonon) usually occurs shortly after the system is promoted to the excited state, returning the system to a state with lower energy (a less excited state or the ground state). This return to a lower energy level is often loosely described as decay and is the inverse of excitation. Long-lived excited states are often called metastable. Long-lived nuclear isomers and singlet oxygen are two examples of this. Atomic excitation: A simple example of this concept comes by considering the hydrogen atom. The ground state of the hydrogen atom corresponds to having the atom's single electron in the lowest possible orbit (that is, the spherically symmetric "1s" wavefunction, which has the lowest possible quantum numbers). By giving the atom additional energy (for example, by the absorption of a photon of an appropriate energy), the electron is able to move into an excited state (one with one or more quantum numbers greater than the minimum possible). If the photon has too much energy, the electron will cease to be bound to the atom, and the atom will become ionised. After excitation the atom may return to a lower excited state, or the ground state, by emitting a photon with a characteristic energy. Emission of photons from atoms in various excited states leads to an electromagnetic spectrum showing a series of characteristic emission lines (including, in the case of the hydrogen atom, the Lyman, Balmer, Paschen and Brackett series.) An atom in a high excited state is termed Rydberg atom. A system of highly excited atoms can form a long-lived condensed excited state e.g. a condensed phase made completely of excited atoms: Rydberg matter. Hydrogen can also be excited by heat or electricity. Perturbed gas excitation: A collection of molecules forming a gas can be considered in an excited state if one or more molecules are elevated to kinetic energy levels such that the resulting velocity distribution departs from the equilibrium Maxwell-Boltzmann distribution. This phenomenon has been studied in the case of a two-dimensional gas in some detail, analyzing the time taken to relax to equilibrium." Source and further information: Picture of a hydrogen atom changing from ground state to an excited state: Further information: -"Rydberg molecule" - "Kasha's rule":'s_rule - "Excimer": - "Excited Molecules Laboratory":

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