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).
Chandra Wilson guest-starred on each: first on Law & Order in 1992 and then on SVU in 2005, shortly after she began her run on Greyâs as Dr. Miranda Bailey. In 1996 both Ellen Pompeo and Kim Raver played guest roles on the show, though in separate episodes.