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Hasan Al-Rammah
Hasan al-Rammah (, died 1295) was a Syrian Arab chemist and engineer during the Mamluk Sultanate who studied gunpowders and explosives, and sketched prototype instruments of warfare, including the first torpedo. Al-Rammah called his early torpedo "an egg which moves itself and burns." It was made of two sheet-pans of metal fastened together and filled with naphtha, metal filings, and potassium nitrate Potassium nitrate is a chemical compound with the chemical formula . This alkali metal nitrate salt is also known as Indian saltpetre (large deposits of which were historically mined in India). It is an ionic salt of potassium ions K+ and nitrat .... It was intended to move across the surface of the water, propelled by a large rocket and kept on course by a small rudder. Al-Rammah devised several new types of gunpowder and a new type of fuse and two types of lighters. References Syrian engineers 1295 deaths Date of birth unknown Year of birth unknown 13th-century eng ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Syrians
Syrians ( ar, سُورِيُّون, ''Sūriyyīn'') are an Eastern Mediterranean ethnic group indigenous to the Levant. They share common Levantine Semitic roots. The cultural and linguistic heritage of the Syrian people is a blend of both indigenous elements and the foreign cultures that have come to inhabit the region of Syria over the course of thousands of years. The mother tongue of most Syrians is Levantine Arabic, which came to replace the former mother tongue, Aramaic, following the Muslim conquest of the Levant in the 7th century. The conquest led to the establishment of the Caliphate under successive Arab dynasties, who, during the period of the later Abbasid Caliphate, promoted the use of the Arabic language. A minority of Syrians have retained Aramaic which is still spoken in its Eastern and Western dialects. In 2018, the Syrian Arab Republic had an estimated population of 19.5 million, which includes, aside from the aforementioned majority, ethnic minorities such as ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
