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But it was not necessary to make a fire, for the thermometer was no lower than 10° or 15° above zero, and the chief trouble was not the wetting of our legs but the wetting of the contents of the sled. Along the bank was stronger ice, and we managed, though not without much difficulty, to get the sled upon it and to make our way to the Indian cabin.
This is only the first step, and it would be impossible here to speak of the succeeding lessons in zero, in tens and in other arithmetical processes for the development of which my larger works must be consulted. The didactic material itself, however, can give some idea. In the box containing the pegs there is one compartment over which the 0 is printed.
At its best, a bed only four feet wide is esteemed narrow enough for one, and quite inadequate for two, but when it is considered that the bed now selected was of hard granite, rather round-backed than flat, with a sheer precipice descending a thousand feet, more or less, on one side of it, and a slope in that direction, there will be no difficulty in conceiving something of the state of mind in which Lewis Stoutley and Baptist Le Croix lay down to repose till morning in wet garments, with the thermometer somewhere between thirty-two and zero, Fahrenheit.
In current Earth science tin and mercury and a few alloys could be made into superconductors by being cooled below 18° Kelvin, or four hundred odd degrees Fahrenheit below zero. Above that temperature, superconductivity did not exist. But the children's wire was a superconductor at room temperature. A thread the size of a cobweb could carry all the current turned out by Niagara without heating up.
He produced an officer's trench whistle and blew a long and peculiar blast on it. "Now, hush!" he whispered. "It is against usage to use these whistles for anything but the command to go over the top at 'zero. Necessity, however, Mademoiselle, knows no law." They waited. Not a sound answered. There was no stir on any side of them. Ruth's fears seemed quenched entirely.
The conference concluded its labors on the 1st of November, having with substantial unanimity agreed upon the meridian of Greenwich as the starting point whence longitude is to be computed through 180 degrees eastward and westward, and upon the adoption, for all purposes for which it may be found convenient, of a universal day which shall begin at midnight on the initial meridian and whose hours shall be counted from zero up to twenty-four.
Shortly after midday the storm broke with a gale of wind and driving, smothering snow, and a temperature 30 degrees below zero. Every moment it increased in fury, but fortunately we reached the mission station before it had reached its worst, and here remained stormbound for two days, during which time the trapper did not appear.
What with this shifting of the zero and the very slight rise and fall in the current produced by rapid signalling, the ordinary land line instruments are quite unserviceable for work upon long cables. The mirror instrument has this drawback, however it does not 'record' the message.
'There is no question as to fact, he cried; 'right and wrong are but figments and the shadow of a word; but for all that, there are certain things that I cannot do, and there are certain others that I will not stand. Thereupon he decided to return to make one last effort of persuasion, and, if he could not prevail on Zero to desist from his infernal trade, throw delicacy to the winds, give the plotter an hour's start, and denounce him to the police.
The temperature during the night of November 20, at Brookline, fell to thirty degrees below zero. During this night the fire was seen to dwindle gradually in size, and by morning it was entirely extinguished. No other meteors fell that winter; and, as their significance remained unexplained, public interest in them soon died out.
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