Science Expo - an International, Annual event where students from across the province of Natal meet, and the winners of that meeting, meet at the National Expo, held in Pretoria. The top projects from there go to the International Science Expo. This site is dedicated to one Expo Project -
To Hear Or Not To Hear.
This project is about recording bird calls using a Parabolic Sound Reflector Dish. The are examples of Bird calls, experiements and instructions on how to make a Parabolic Sound Reflector Dish, for personal use. Included are pictures of the dishes, and experiments.