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Updated: July 24, 2025
Tell me what you know; and no more!" "Yes, sir," ventured Herzog. "There are three processes to extract nitrogen and oxygen from air. One is by means of what the German scientists call Kalkstickstoff, between calcium carbide and nitrogen, and the reaction-symbols are " "No matter," Flint waived him, promptly. "I don't care for formulas or details. What I want is results and general principles.
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