About Specific Gravity & Density Determiniation. Specific Gravity is a measure of the ratio of the mass of a given volume of material at 23 Â°C to the same volume of water.Density, a closely related measurement, is defined as the mass per unit volume of a sample.bout Specific Gravity & Density Determiniation. Specific Gravity is a measure of the ratio of the mass of a given volume of material at 23 Â°C to the same volume of water.
Man Who Was Asleep At Home While His Roommate Used His Car To Commit Murder Still In Prison 10 Years Later. Ten years ago, 21-year-old Florida resident Ryan Holle was sentenced to life in prison without the possibility of parole for premeditated murder.
Shayna Hubers reads haunting text during trial. Shayna Hubers, 24, is charged with murder in the October 2012 death of her boyfriend, Ryan Poston. During the 911 call, she admits to shooting Poston multiple times, but claims it was self-defense. While on the stand this week, Hubers read a text message that she sent a friend days before her boyfriend's death.