This document discusses several notable Filipino inventions and inventors from the 20th century. It describes inventions such as the incubator by Fe del Mundo, the videophone by Gregorio Y. Zara, the fluorescent lamp by Agapito Flores, artificial coral reefs by Angel Alcala, and the karaoke machine by Roberto del Rosario. It also mentions Eduardo San Juan's contributions to the design of the lunar rover used in the Apollo missions. Overall, the document highlights how Filipino scientists and inventors have made numerous contributions to technology and economic progress through their innovative works and discoveries.