Technology Articles, Technological News
Continuing improvements led to the furnace and bellows and provided, for the first time, the power to smelt and forge gold, copper, silver, and lead – native metals present in comparatively pure kind in nature. The advantages of copper instruments over stone, bone and wooden tools had been shortly apparent to early people, and native copper was probably used from close to the start of Neolithic occasions . Native copper doesn’t naturally occur in massive quantities, however copper ores are quite frequent and a few of them produce metal easily when burned in wooden or charcoal fires. Eventually, the working of metals led to the discovery of alloys similar to bronze and brass . The discovery of fireside was described by Charles Darwin as “presumably the greatest ever made by man”. Archeological, dietary, and social evidence point to “continuous fire-use” at least 1.5 Mya. Fire, fueled with wooden and charcoal, … Read More

