The travel velocity of these two wave types is not the same (P-waves are faster than S-waves). Thus, if there is an earthquake somewhere, the first waves that arrive are P-waves. In essence, the gap in P-wave and S-wave arrival gives a first estimate of the distance to the earthquake.
With the mysterious U.S. Senator Eddie Morra (Bradley Cooper) providing him with a second drug to counteract NZT's deadly side effects, Brian uses his enhanced abilities to help FBI agent Rebecca Harris (Jennifer Carpenter).
Jessica Chastain (left) plays Molly Bloom, the most powerful poker game runner in Los Angeles and New York, and Idris Elba is lawyer Charlie Jaffey in Aaron Sorkin's biopic Mollyâs Game. Michael Gibson/Courtesy of STX Entertainment