. >> in his latest book "from eternity to here," researcher sean carroll shares his insight on time and the origins of the universe. the book works in del mar, california, is the host of this book. it lasts about an hour. [applause] >> thanks, lisa. it's great to be here. it's great to be at any independent bookstore in the united states. i'm very, very happy to have these kinds of events. [applause] >> and, you know, i'm also happy but i've stopped being surprised to see a whole bunch of people deciding the best way they can spend their thursday evening is thinking about the beginning of the universe and the origin of time. but i do -- i do need to explain, you know, part of why this particular question is the question we're being asked. at one point, you know, i mentioned to a student that i was thinking about -- as lisa said why time runs forward rather than backwards. and the response was, and after that you will tackle the problem of alphabetical order. [laughter] >> how could it else run? you might have heard of einstein who said time is kind of like space. one of einstein's great