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To study the lower regions which border on that kind of pole of cold towards which are straining the efforts of the many physicists who have of late years succeeded in getting a few degrees further forward, we may turn to a gas still more difficult to liquefy than hydrogen.
If you find that your sweetmeats have become dry and candied, you may liquefy them again by setting the jars in water and making it boil round them. In preserving fruit whole, it is best to put it first in a thin syrup. If boiled in a thick syrup at the beginning, the juice will be drawn out so as to shrink the fruit.
After the model was brought to such a point of relief as was suitable for the design, great care had to be exercised in extending the gold further, to fit behind heads and arms in special relief. In those days the whole film of gold was then put in the furnace, and fired until the gold began to liquefy, at which exact moment it was necessary to remove it.
The result is entirely different from what I expected. The white of egg does not liquefy. It simply becomes moist on the surface; and even this moisture may come from the pepsin, which is highly absorbent. Yes, I was right: if the thing were feasible, it would be an advantage for the chemists to collect their digestive drug from the stomach of the maggot.
The earth we know has acquired a large amount of internal heat, probably sufficient to liquefy its whole interior; but Mars has only one-ninth part the mass of the earth, and it is quite possible, and even probable, that its comparatively small attractive force would never have liquefied or even permanently heated the more central portions of its mass.
"I was about to say 'No, but then it occurred to me that one part at least of our atmosphere, the water vapour of it, does sometimes liquefy and form dew, and sometimes freeze and form frost a process perfectly analogous to the freezing of all the external atmosphere of the moon during its longer night.
Air when strongly condensed is indissoluble by any power which does not reach the triangles, and even when not strongly condensed is only resolved by fire. Compounds of earth and water are unaffected by water while the water occupies the interstices in them, but begin to liquefy when fire enters into the interstices of the water.
I then ordered half a pig of pewter to be brought, which weighed about sixty pounds, and flung it into the middle of the cake inside the furnace. By this means, and by piling on wood and stirring now with pokers and now with iron rods, the curdling mass rapidly began to liquefy.
One would think so at first, on seeing how quickly it is performed by the action of the grubs. Moreover, certain mushrooms, the coprini, liquefy spontaneously and turn into a black fluid. The conversion, in certain cases, is singularly rapid.
The idea that her body would rot in uselessness, that the last handfuls of her miserable flesh would decay without having served to honour the Saviour, broke her heart; and then it was that she besought Him to suffer her to melt away, to liquefy into an oil which might be burnt before the tabernacle in the lamp of the sanctuary.
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