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).
William Emerson Will Arnett is a Canadian actor best known for his role as Batman in The LEGO Movie. He is thee voice of Mr. Perkins in Despicable Me. Arnett has been known for his comedic roles as George Oscar G.O.B.. Bluth II in the Fox series Arrested Development, Devon Banks in the NBC series 30 Rock, Brent Wilts in the IFC series The Increasingly Poor Decisions of Todd Margaret, Chris Brinkley on Up All Night and Nathan Miller in the CBS series The Millers.