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).
Also, in that same year, she played the role of Pam Dawber in the TV movie, Behind the Camera: The Unauthorized Story of Mork & Mindy alongside costar Chris Diamantopoulos. Hayes played Alison on the television show The Winner, created by Ricky Blitt. On May 16, 2007, the series was officially cancelled.