What exactly is surface tension? A puzzling question lands you in the wondrous world of materials science. Have hands-on fun by experimenting with liquid detergent, and get to know Yuan T. Lee, a chemist, known for his advances in kinetics of chemical reactions. The place to go to answer all your science-related questions - it's the One Stop Science Shop. Do-it-yourself experiments, a hologram entry phone, and fun stories about great scientists help visiting kids to understand some of the trickiest principles of science.