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Montezuma's Castle and Other Weird Tales

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<h2>A LESSON IN CHEMISTRY.</h2> <div class="chapline2" style="width: 90px;"> <ANTIMG src="images/chapline.png" width-obs="90" height-obs="2" alt="" title="" /></div> [MR. FORSTER'S STORY.] I took the powder as agreed, and sat down to read the evening paper before retiring, with the result that I did not retire at all. I became much interested in an article on new explosives with which the Government has been lately experimenting, and had nearly finished it, when I heard a voice say to me, "Interesting subject, isn't it?" I turned, and saw seated on my lounge a peculiar-looking man: his clothes seemed to be all run in together. You could make out the outlines of the man, but the figure was not clear; sort of foggy, you know. What surprised me most was that I could look right through him and see that back of the lounge. I said to myself, "Is this a dream or the effect of the powder I have taken?" and I pinched my leg, and rubbed my eyes, but although I seemed to be perfectly wide awake, the shape did not disappear. "What did you say?" I asked. "I remarked that the subject of high explosives was decidedly interesting," answered the shape. "I was a chemist when alive, but it makes me sad to think how very little I really knew. Chemistry, as well as other branches of science, has made great strides during the past generation, since my day, but even now they really know very little." "But," I answered, "it seems to me the high explosives which we now have are sufficiently powerful if we knew how to use them with safety." "That's it," answered the shape. "Now, I have a couple of hours to spare, and, if it would interest you, and you care to come over to my laboratory, I will be happy to give you one or two points which may prove of value to you—I say to my laboratory, but it really is not mine; I use any laboratory that is handiest, and I know most of the good ones in the city. You see, I do not need to have a key to enter a room; that is one of the great advantages we have, as you will discover one of these days. Just now I can get you in very well because the owner of the laboratory to which we will go is out of town. I will go in first and unlock the door for you." I told him that I should be most happy to accept his invitation; it seemed the most natural thing in the world to be conversing with a ghost and to have him invite me to go to somebody's laboratory and use up his chemicals. It never occurred to me that it might not be considered quite good form. We went out of my rooms and downstairs, the shadow floating alongside of me in the most friendly manner possible. I could see by the position of his body that he had hold of my arm, but his fingers did not show on my coat-sleeve. We went up town for perhaps half a mile, and entered a large brick building in which I noted were various studios. It was dark, but going up three flights of stairs my guide opened a door and ushered me into a large and extensively furnished laboratory, evidently belonging to some scientific man of means and experience. The ghost turned the button of the electric light, and then motioned me to a seat. "My time," he said, "is somewhat limited, because I have an appointment with a lady at twelve, but I will show you what a high explosive really is, and then if we have time we will talk of something else. The difficulty about high explosives is not in making them, but in using them after they are made; you create a gigantic power which you do not know how to handle. "The rather modern discovery of how to make liquid air has simplified matters a good deal. When you can make liquid hydrogen in quantities you will have a still better agent for many purposes. Now, let us take a little of this liquid air. You see it pours like water. As I happen to know, our absent host has nearly two gallons of it, or had this afternoon; some of it has evaporated, but, as you see, there is still more than a gallon left, and we will not steal much, as all we want for our experiment to illustrate to you the greatest explosive which can be manufactured is about as much liquid air as you can hold in a thimble." "Do you propose to try your explosive here, Mr."—I hesitated. "By the way, what is your name?"  "Oh, call me any old name; it does not matter!" "Mr. Spook, shall we say?" "Ahem! a little personal, perhaps, but it will do as well as another. Now, as I was saying, I will show you how to make the most powerful explosive that was ever invented." It is possible that I did not show as much interest and enthusiasm as he expected, and to tell the truth I was a little nervous. Spooks do not have the same interest in being careful in their experiments—an accident or two is of little consequence to them, but might be decidedly disagreeable to me. I may have shown something of what I was thinking in my manner, for Spook looked at me keenly. "What is the matter? You do not appear interested." "On the contrary," I answered, "I am deeply so, but do we not run considerable risk in trying such experiments in a laboratory without the consent of its owner?" "Not at all, not at all. I will use a very small amount of the explosive, and there will be no damage done." "Have you attempted to make it before, Mr. Spook?" I ventured. "Oh, yes, last week; that was a mistake—you see now I know all about it, I didn't then; the explosion was something awful—it blew the building pretty much all to pieces. If I had been alive I don't believe you could have found a piece of me as large as your finger—they called it spontaneous combustion; however, we won't have anything of that kind to-night." "Please don't," I answered. "No, I promise you. Now we will take a little of this red phosphorus—ordinary phosphorus will not answer—and pour a little liquid air on it, stirring it gently, as you see. Now, if I should let that dry it would explode at the slightest touch; but we do not want that, and we wish to increase its power, so we add a little chloride of potassium; now watch it dry—see the color change to a light red-brown. There, if you should strike that or put fire to it, it would wreck this building as completely as if you had exploded fifty pounds of dynamite in it." I drew away from the table instinctively. "Have no fear, I will not explode it. Now watch me closely. I will ignite a minute quantity, about as much as would make the head of a small black pin or a No. 4 bird-shot. See, the rest we will put in this pail of water. There—now all is ready—here goes!" He lit a match and touched the little brown dot—a tremendous explosion followed and the wooden table was split into pieces. The sound was so terrific and the shock so unexpected that I was dizzy and frightened.  "Great heavens!" I exclaimed, "you have broken everything in the laboratory!" "No," replied the ghost rather shamefacedly, "not so bad as that, but I'm afraid that I have ruined the table and cracked a few things; however, I will be more careful next time: it is even more powerful than I thought. What do you suppose would be the effect on a warship if struck with a shell containing one hundred pounds of that stuff?" I answered that she would be destroyed. "Destroyed? I should say she would; the largest battleship would be blown to atoms." The spook glanced at an old-fashioned Dutch clock in the corner of the laboratory. "Fine clock that; glad I didn't break it with our little racket just now. I see I have nearly an hour to spare. Is there any experiment you would like to try?"  I said anything would interest me, but that I didn't care for any more explosives. "I suppose you know how to make diamonds, don't you?" I answered that for years men had tried to manufacture diamonds, but practically without success; that as far as I was aware they had only succeeded in making them so small as to be practically of no use commercially, and the expense of the manufacture was far in excess of their value. "That's all right," answered the spook; "but really it is a very simple matter. Here; I will make a diamond for you." He walked across the room to the fireplace, and taking from the grate a lump of coal about the size of a billiard ball, he laid it upon the table. "This," he said, "is nearly pure carbon, and as you are well aware it is practically what a diamond is. Now, I will illustrate to you how you may make a diamond from this piece of coal, which will be as good as any diamond ever found in the mines. We will manufacture it instead of letting nature do it. "We will first place it in this glass bowl, and pour over it sufficient liquid air to cover it completely. We will let it remain until it is thoroughly cold, say, at least 200° below zero; there—now all we have to do is to heat it and then subject it to a powerful—Great Gee Hosiphat! Five minutes to twelve! I must go—appointment with a lady at twelve. But I say, old fellow, just hold it under the blowpipe and get it hot—just as hot as you can; I will be back soon—ta-ta." His last words came to me faintly through the window—he had already floated out. I took the queer-colored piece of coal, and began heating it under the blowpipe. It did not burn, as I thought it would, but turned red and then white; gradually it seemed to grow larger and larger and brighter and brighter until I opened my eyes and found myself in bed with the sun shining full upon me through the open window.  <div style="break-after:column;"></div>

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