Heat

Heat

In physics and chemistry, heat is energy transferred from one body to another by thermal interactions. The transfer of energy can occur in a variety of ways, among them conduction, radiation, and convection. Heat is not a property of a system or body, but instead is always associated with a process of some kind, and is synonymous with heat flow and heat transfer.

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Famous quotes containing the word heat:

    The Soul rules over matter. Matter may pass away like a mote in the sunbeam, may be absorbed into the immensity of God, as a mist is absorbed into the heat of the Sun—but the soul is the kingdom of God, the abode of love, of truth, of virtue.
    Ralph Waldo Emerson (1803–1882)

    Coal is a portable climate. It carries the heat of the tropics to Labrador and the polar circle; and it is the means of transporting itself whithersoever it is wanted. Watt and Stephenson whispered in the ear of mankind their secret, that a half-ounce of coal will draw two tons a mile, and coal carries coal, by rail and by boat, to make Canada as warm as Calcutta, and with its comfort brings its industrial power.
    Ralph Waldo Emerson (1803–1882)

    And oh, I knew, I knew,
    And said out loud, I couldn’t bide the smother
    And heat so close in; but the thought of all
    The woods and town on fire by me, and all
    The town turned out to fight for me that held me.
    Robert Frost (1874–1963)