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).
Bradley Cooper Is Coming Back to Limitless. by Jessica Roy | Oct 9, 2015 5:33 PM EDT. Bradley Cooper, Limitless. Senator Morra is back for more! Bradley Cooper will appear in another episode of Limitless, executive producer Craig Sweeny announced at New York Comic-Con on Friday, according to EW.