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Contra Costa County Office of Education: Bats: Why Should You Care?
At this site, provided by the Contra Costa County Office of Education, you can get the facts on bats and their environment.
TeachEngineering
Teach Engineering: Biomimicry: Echolocation in Robotics
Students use ultrasonic sensors and LEGO MINDSTORMS NXT robots to emulate how bats use echolocation to detect obstacles. They measure the robot's reaction times as it senses objects at two distances and with different sensor threshold...