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).
Limitless is a 2011 American science fiction film directed by Neil Burger. Based on the novel The Dark Fields by Alan Glynn, the film stars Bradley Cooper, Abbie Cornish, and Robert De Niro. The events portrayed in the film follow Edward Morra, a struggling writer, who is introduced to a nootropic drug called NZT-48, which gives him the ability to fully utilize his brain and vastly improve his lifestyle. Limitless was released on March 18, 2011, and became a box office success after grossing ove