Global Warming is emmision of CO2, CH4 and a lot of harmful gases into atmosphere. Without global warming we would freeze and with more global warming there is a lot heat
The astrolabe is an inclinometer, that is considered to ba analog calculator that is capable of solving the several different types of the astronomy and is mostly used measuring the altitude and the navigational aspects of the celestial bodies day and night and it was used in the Islamic golden age and the middle ages. It is also helpful in determining the land and the sea latitude.