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
Rosalind Franklin and Her Contribution to DNA Research
Charles Darwin and His Famous Work
Alexander Fleming and the Discovery of Penicillin
Francis Crick, an Inspirational Scientist