Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: August 27, 2024
Count Rumford, Ritter, Scheele, Seebert and others, experimented with chlorine in regard to its effect when exposed to the action of light in combination with silver. In 1845, M. Edward Becquerel announced that he had "been successful in obtaining, by the agency of solar radiations, distinct impressions, of the colors of nature." On the 4th of March, 1851, Neipce, St.
Word Of The Day
Others Looking