dad bought a set of encyclopedia britannica for us. one day, i was paging through it and came across a really weird thing at the time. kind of arithmetic. it had equal signs and plus signs. it turned out to be one of the great equations of physics. 10, i wasage nine or fascinated by this thing and i wondered, could i ever personally understand the story it told? in high school, finally, in 11th grade, it was a segregated high school. over 100 years old now. . had a fantastic teacher into the course, i knew it was physics i wanted to be doing. >> what was the equation call the atco -- called? , whothink you met brian talks about the quantum -- were all this weird stuff goes on. that behavior, all we do -- although we do not see it in our world, that is electrons. accurately describes how to build cell phones. it is the equation that hooked me into science. >> your current job? >> currently, i am a professor of physics at the university of maryland. my tightest -- title is ridiculously long. is a real mouthful. what it basically means is