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 Chat with Melora Hardin. This celebrity mom knows when to stand her ground, how to foster her girls' talents, and the importance of humor. Melora Hardin might play zany Jan Levinson on the hit show The Office, but offscreen the dancer, singer, and actress is more earth mama than corporate shark. As the mother to Rory, 6, and Piper, 3, she firmly believes in introducing her daughters to creative pursuits as well as in setting a good example with her own actions.