gravity. waiting for him on his return, amazon founderjeff bess asked whose company developed the rocket system. you asked whose company developed the rocket system-— rocket system. you have given me is the most profound _ rocket system. you have given me is the most profound experience - rocket system. you have given me is the most profound experience i - rocket system. you have given me is the most profound experience i can i the most profound experience i can imagine. i am so filled with emotion about whatjust imagine. i am so filled with emotion about what just happened, imagine. i am so filled with emotion about whatjust happened, ijust... it is extraordinary. that about whatjust happened, i ust. .. it is extraordinary. it is extraordinary. at the age of 90, william _ it is extraordinary. at the age of 90, william shatner— it is extraordinary. at the age of 90, william shatner finally - it is extraordinary. at the age of. 90, william shatner finally reached 90, william shatnerfinally reached the final frontier. 90, william shatnerfinally reached the finalfrontier. in physics, there was what could be one of the biggest steps forward for a generation. scientists believe that there are four fundamental forces of nature. 0ne there are four fundamental forces of nature. one for gravity, anotherfor electricity, and two nuclear forces which control the behaviour of atoms. together, they explain the