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).
A Reddit user tipped us off to the fact that actress Stephanie Courtney, who plays Flo, has appeared in Mad Men and For Your Consideration.. Raise your hand if you'd like to see more of Courtney beyond the aisles of Progressive. We certainly would.