Science series. Particle physicist and ex-D:Ream keyboardist Dr Brian Cox believes that the answer to the meaning of the universe lies in gravity. Both Einstein and Newton believed that gravity was powered by God. On a road trip across the USA, Brian fires lasers at the moon in Texas and goes wild in the desert in Arizona. He encounters the bending of space and time at a maximum security military base and tries to detect ripples in our reality in the swamps of Louisiana.