Russell
"Hence there can be no such thing as a positively charged mass or a negatively charged mass. All charging masses are simultaneously discharging and all discharging masses are simultaneously recharging other masses in this two-way universe of motion. Energy is kept continually moving between the high pressure hot points of gravitative centres and the low-pressure cold areas of the evacuated fields which surround all masses." [Russell to NYT - 1930 November 2]

See Also

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Cold
cold center
cold cube of space
Depolar
Figure 15.02 - Keelys Hydro-Pneumatic-Pulsating-Vacuo Engine operated with etheric vapor
Figure 5.2 - Centers of Swirls are High Tension while Swirl Periphery are Low Tension
low-grade
low-grade element
low-pressure cold areas of the evacuated fields
Space
Vacuum
Void
12.30 - Thermal Radiation and Thermal Vacuum or Cold