Gunpowder was a Technological Breakthrough in Warfare
Gunpowder, also known as black powder, is an explosive mixture of sulfur, charcoal, and saltpeter (potassium nitrate). It was the first chemical explosive that could be reliably detonated. Before gunpowder, explosives were unreliable or used as…
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Louis Pasteur, a Pioneer in Microbiology
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Charles Darwin and His Famous Work
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Francis Crick, an Inspirational Scientist