Материалы по тегу «Artificial Illumination»
Had Thomas Edison lived in our time, he would have been surprised by the number of light bulbs that have appeared in our world, and he certainly would not have ended up with only one patent. Read more about the history of the light bulb, its design, and its modern types in our article
What saints did the conquistadors pray to and why did they decide to conquer Mexico? What was the ethnic, regional, and age composition of the Conquista?