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Updated: July 12, 2025
Besides they are difficult to grind, inconvenient to transport, and offensive to use. Perhaps we have not, in the opinion of some, answered the want expressed in the first paragraph. No pigment with the requisites of durability and cheapness will resist the attacks of strong acids on iron. The first we have mentioned will all such as may float in our air from factories or chemical works.
Since I gave up practice as a physician, I have engaged in chemical investigations on a large scale, destined I hope, to lead to some important public results. Until I arrive at these, I am necessarily obliged, in my own interests, to keep my experiments secret, and to impose similar discretion on the workmen whom I employ.
But the arterial blood, in quitting the lungs, is charged with hydrated peroxide: in what manner is the peroxide brought back to its former state? The chemical conditions for the reduction of the hydrated peroxide into the state of protoxide, are precisely those which the blood meets with in circulating through the body; namely, contact with organic compounds.
I decided that some interest would attach to a determination both of the rate of flow of the fluid and of its chemical composition, especially at such a stage of the tree's life. A bottle was at once so suspended beneath the wound as to catch the whole of the exuding sap. It caught nearly 5 fluid ounces between eight and nine o'clock.
Even if they should get that close to us, they'll probably think we're meteoric, since we'll be dead to their other instruments. Luckily we've got lots of air, so the chemical purifiers can handle it without power. I'll shut off everything and we'll drift it. Couldn't do much of anything, anyway even our shop out there won't hold air. But we can have light.
Such conditions, however, can only occur if one, side possesses some distinct advantage with regard to surprise by, or efficient protection against, the persistent lethal compound. When both sides are equally matched in this respect, a duel will arise in which the winner will be the one who can throw the critical concentrations of chemical into a given area at the greatest range.
This creature accomplishes by calculation, choice, and dexterity that which a subtle chemical process does unconsciously for the more advanced mollusc, and that it practised the art of the interlocking of atoms ages before the birth of Macadam can scarcely be doubted.
I threw myself into the carriage that was to convey me away, hardly knowing whither I was going, and careless of what was passing around. I remembered only, and it was with a bitter anguish that I reflected on it, to order that my chemical instruments should be packed to go with me.
"We are youth of the super-race," began the boys in a sing-song and well timed chorus. "We belong to the chemical group of the intellectual levels, being born of sires who were great chemists, born of great chemists for many generations.
"Oh for some wings, or else a balloon!" cried Servadac, as he gazed around him; and then, looking down to the rock upon which they were standing, he added, "We seem to have been transplanted to a soil strange enough in its chemical character to bewilder the savants at a museum." "And do you observe, captain," asked the count, "how the convexity of our little world curtails our view?
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