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A "law of cooling," proposed by M. Stefan at Vienna in 1879, was shown by Boltzmann, many years later, to have a certain theoretical validity. It is that emission grows as the fourth power of absolute temperature.
Now Fourier has established, that if the calorific rays emitted were equally intense in all directions, if the intensity did not vary proportionally to the sine of the angle of emission, the temperature of a body situated in the enclosure would depend on the place which it would occupy there: that the temperature of boiling water or of melting iron, for example, would exist in certain points of a hollow envelop of glass!
To direct the sting toward this or the other part of the victim and moreover to regulate its emission would be absolutely impossible and also very dangerous, as long as the scorpions were allowed to act as they pleased. I wished to be able myself to choose the part to be wounded; I likewise wished to vary the dose of poison at will. How to set about it?
As Disselhorst has pointed out, this is dependent on the fact that these animals, like man, possess a vas deferens which broadens into an ampulla serving as a receptacle which holds the semen ready for instant emission when required.
These electrons, which thus have a variable velocity, generate around themselves a transverse electromagnetic wave which is propagated with the velocity of light; for the charged particle becomes, as soon as it experiences a change of speed, the centre of a radiation. Thus is explained the phenomenon of the emission of radiations.
There is some legislation against the blowing of steam whistles by locomotives, although I believe none against the morning whistle of factories, and some against the emission of black smoke in specified durations or quantities.
First, the purely mechanical doctrines, commonly regarded as the only strictly scientific principles of Voice Culture. These are, the rules for the management of the breath, of the registers, of laryngeal action, and of the resonance cavities, and also the directions for attacking the tone, and for forward emission.
George's strokes now became faster and more furious his buttocks quivered and he fell palpitating on his companion's belly, while a low cry from her announced that he had sent his fiery mettle up to her very womb, meeting her own emission on the way.
And the seed having life, and becoming endowed with respiration, produces in that part in which it respires a lively desire of emission, and thus creates in us the love of procreation.
For it may be situated below the level where absorption occurs, or under a pressure such as to efface lines by widening and weakening them; it may be at a temperature so high that it gives out more light than it takes up, and yet its incandescence may be masked by the absorption of other bodies; finally, it may just balance absorption by emission, with the result of complete spectral neutrality.
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