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).
Hattie Ophelia Wyatt Caraway was an American political figure who became the first woman elected to serve a full term as a United States Senator. Caraway represented Arkansas. She was the first woman to preside over the Senate. She won reelection to a full term in 1932 with the active support of fellow Senator Huey Long, of neighboring Louisiana.