UP TALKS Interaction of Science, Technology and Society Through Time Alipio Garcia Alipio T. Garcia is a professor of Physics at UP Baguio, teaching for almost 3 decades now. I have an undergraduate degree in Mathematics (UPB) and went on to pursue advance degrees in Physics (MS, PhD from NIP-UPD). In addition to Physics courses, I have been teaching GE courses in Physics and Science, Technology, and Society for almost 2 decades now. I have several publications in semiconductor Physics and Optoelectronics, which continued to be my research interests, in addition to Cordillera materials culture of late. UP TALKS EVERYDAY AT 4 PM only on http://www.TVUP.ph/ TVUP | University of the Philippines’ Internet TV Network TVUP (TVUP.ph) is an Internet television (webcast) network operated by the University of the Philippines which delivers free content for information and educational purposes. It will participate in generating open educational resources (OERs) to be made public by producing its own materials and collecting other content from existing sources. TVUP is a testament to the University of the Philippines’ character as the national university — a teaching, research, public service, and global/regional university — shared freely with all state universities and colleges, private and public higher training institutions, other training institutions, and the general public. Website | http://www.TVUP.ph/ YouTube | http://www.youtube.com/TVUPph Facebook | http://www.facebook.com/TVUP.ph Twitter | http://www.twitter.com/TVUPph