In the Sun's fusion sequence, about 0.007 kilograms of matter is converted into energy for each kilogram of hydrogen processed. In other words, the efficiency of mass-energy conversion is 0.7% and the amount of energy released is 0.007mc 2.
Pi Gamma Mu. Pi Gamma Mu or ÏÎ³Î¼ (from ÏÎ¿Î»Î¹ÏÎ¹ÎºÎ­Ï Î³Î½ÏÏÎµÏÏ Î¼Î¬Î¸ÎµÏÎ±Î¹) is the oldest and preeminent honor society in the social sciences. It is also the only interdisciplinary social science honor society.
However, Pi Beta Phi did not officially adopt a Greek-letter name until 1888. Kappa Alpha Theta, founded in 1870 at DePauw in Indiana, was the first Greek-letter society for women. Kappa Kappa Gamma Fraternity was founded in the same year at Monmouth College, Illinois.