Coconut oil, or copra oil, is an edible oil extracted from the kernel or meat of mature coconuts harvested from the coconut palm (Cocos nucifera). It has various applications.
The chronometer is an instrument that accurately measures time. The first one invented was a marine chronometer, and it was created out of the necessity to have an accurate timekeeper for sea travel. John Harrison, a British clockmaker, invented this device in 1737.
History of the thermometer. Galen, a Greek scientist and physician, made the first attempt at measuring temperature in A.D. 170. He documented a standard neutral temperature of equal parts of boiling water and ice. He added four degrees of heat and four degrees of cold on either side of this neutral temperature.