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Updated: May 20, 2025
It gives one a new sense of the power of numbers to feel that infinitesimal atoms, merely by vibrating in unison, could accomplish such a result. But now suppose our portion of gas, instead of being placed under our hypothetical building, is plunged into a cold medium, which will permit its heat-vibrations to exhaust themselves without being correspondingly restored.
Just as the light-waves of a star exist and move on centuries after the star has ceased to be, just as the heat-vibrations remain in a room even after the producing cause has been removed, similarly mentative energy and its corresponding Thought-Forms persist in the ether even after the originating impulse has been withdrawn.
This is the north pole of the physicist's world, the absolute zero of temperature the point at which the heat-vibrations of matter are supposed to be absolutely stilled. Theoretically this point lies 2720 below the Centigrade zero. With the liquefaction of hydrogen, a temperature of about -253 deg or -254 deg Centigrade has been reached. So the gap seems not so very great.
It has, indeed, been suggested that at absolute zero all matter may take the form of an impalpable powder, the forces of cohesion being destroyed with the vibrations of heat. But experiment seems to give no warrant to this forecast, since cohesion seems to increase exactly in proportion to the decrease of the heat-vibrations.
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