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).
LEFT: Kevin Spacey plays U.S. Congressman Frank Underwood in the Netflix original series, House of Cards.. More than a political satire, âHouse of Cardsâ has Shakespearean roots, writes Paula C. Blank. (Left: AP Photo/Netflix, Melinda Sue Gordon; Right: Samuel Cousins/Library of Congress).