The sciatic nerve is the longest and thickest nerve in the human body, measuring just under 1 inch (2.54 cm) in width, comparative to the diameter of a finger. It runs from the lower spine through the pelvic area and down through the hip and back of the leg.he sciatic nerve is the longest and thickest nerve in the human body, measuring just under 1 inch (2.54 cm) in width, comparative to the diameter of a finger. It runs from the lower spine through the pelvic area and down through the hip and back of the leg.
How many Bars in a Psi. 1 Psi is equal to 0.06894757293168 Bar. The bar is a metric unit of pressure equal to 100000 Pascal (Pa). The bar is also equal to 1x105 N/m2. Psi is known as pound-force per square inch.
Each of the 3 counters above the bar represented 5. And. each of the 4 counters below the bar represented 1. So a total of 19 could be represented in each column. During the 11th century, the Chinese abacus, or suan pan, was invented. The suan pan is generally regarded as the earliest abacus with beads on rods.