RAFFY'S WORLD OF SCIENCE (Random Notes, Random Thoughts of Dr. Rafael P. Saldaña)

"To see a world in a grain of sand, And a heaven in a wild flower, Hold infinity in the palm of your hand, And eternity in an hour... (William Blake)" . . . This blog is about the world of Dr. Rafael "Raffy" Saldaña [a faculty member of the Math Department, School of Science and Engineering of Ateneo de Manila University and an alumnus and former campus director of Philippine Science High School [Pisay] (Class of 1977)]: his thoughts, activities, environment, and the people around him.