PARI president Don Cline gave the Keynote address at High Point University's High Point Universe Day on Friday, February 26, 2010. Don spoke to more that 150 people on, "Time Domain Astronomy: It's All About Physics." PARI is a leader in Time Domain Astronomy since opening the Astronomical Photographic Data Archive (APDA). Researchers and students have come to PARI to use our resources to examine historical photographic film and plates of astronomical observations