"We have now completed the cycle of appearance and disappearance of mass through the series of endothermic, inbreathing, positive oscillations of compression pressure and exothermic, outbreathing, negative oscillations of expansion pressure which is the dual characteristic of electricity;" [Russell to NYT - 1930 November 2]

See Aslo

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Cycle of Motion
Cycle of Temperature
Dynaspheric Force
Law of Assimilation
Law of Variation of Atomic Pitch by Temperature
Motion Cycle
one cycle for each action
Part 27 - The Cycles of Life
Rhythmic Balanced Interchange
Universal Heart Beat
wave cycle
wave cycle - See Also
5.8.5 - The complete Contraction Expansion Cycle is as follows