ssume that there is some other mediumfor the transmission of solar energythrough our interplanetary spaefe; theremust be, in fact, a medium permeating all space. Thismedium is called ether, and by the motion of its parts heatcan be transmitted from one place to another. Many phe-nomena in nature… … Fig. 48. 64 Elements of Physics. transmission of heat is always by radiation, although techni-cally a distinction is made between the transfer at appreci-able distances and the transfer by contact. In. convectionthe transfer is a mechanical one, and is not in any wayconnected with the change in the…
Physics
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