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).
Loras Tyrell. The Knight of Flowers. Played by Finn Jones. A beautiful, slender youth with curling brown hair, Ser Loras has already won wide-fame as a prodigously talented knight, a champion who defeated the Kingslayer in the lists and already carried away prizes despite being all of 16 years old.