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Updated: June 4, 2025
Its transmutation into liquid form was therefore regarded as a very startling phenomenon. But the clew thus gained, other gases were subjected to similar conditions by Davy, and particularly by Faraday, with the result that several of them, including sulphurous, carbonic, and hydrochloric acids were liquefied.
Fah., while the cerealine was still coagulated, and that bread containing bran, submitted to 212 deg. of heat, became liquefied in water at 104 deg.. It was now easy to determine that dark flours, from which the cerealine had been removed by repeated washings, still produced dark bread.
In the course of these experiments not only has air been liquefied, but hydrogen also, the most subtle of gases; and it has been made more and more apparent that gas and liquid are, as Andrews long ago asserted, "only distant stages of a long series of continuous physical changes."
Without the ship's log to refer to, I cannot be certain of dates and distances, but it was in the latter days of August that we were steaming up the Yellow Sea, where, by the way, the water is bluer than I have ever seen it elsewhere. In some places it presents, on a moonlit night, the appearance of liquefied ultramarine, though it certainly is muddy enough about the coasts.
If one of them had dared I wonder whether the blood would have liquefied. Do you remember, in the 'Nibelungenlied, that Hagen is forced to prove his innocence by touching Siegfried's corpse and fails? That is the point he fails. Our own Shakespeare knew the dodge. When Henry VI was being borne to Chertsey in an open coffin, the Lady Anne made Gloster squirm by her cry: "O gentlemen, see, see!
As the hour rolled around I watched the holy dust in breathless anxiety; at the appointed moment I perceived a change in its appearance, and while I held the vial in my hand the ashes liquefied and became veritable blood; while the dark spots on a neighboring stone turned of a deep crimson. Now the bishop related this miracle far and wide and priests ministering at the altar repeated his words to their listening flocks.
If its velocity is twenty miles per second the temperature will become thousands of degrees. This is the state of affairs with a meteorite rushing into the earth's atmosphere; its surface is liquefied within a few seconds after the friction begins to act, and the melted and vaporized portion of its mass is swept backward, forming the train of sparks that follows every great fire-ball.
Of these applications, the most patent and the first to be made available was the one forecast by Davy from the very first namely, the use of liquefied gases in the refrigeration of foods. Long before the more resistant gases had been liquefied, the more manageable ones, such as ammonia and sulphurous acid, had been utilized on a commercial scale for refrigerating purposes.
Changes of the hues associated respectively with land and water accompanied in lower latitudes, and were thought to be occasioned by floods ensuing upon this rapid antarctic thaw. It is true that scarcity of moisture would account for the scantiness and transitoriness of snowy deposits easily liquefied because thinly spread.
Thus in one of these vessels a quantity of liquefied air, for example, can be kept for a considerable time in an atmosphere at ordinary temperature, and will only volatilize at the surface, like water under the same conditions, though of course more rapidly; whereas the same liquid in an ordinary vessel would boil briskly away, like water over a fire.
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