From Cyborg Anthropology
The use of sound to help the humans locate and navigate without the use of ocular nerves. "Human echolocation is similar in principle to active sonar and to the animal echolocation employed by some animals, including bats and dolphins".
- Tapping one's cane
- Lightly stomping one's foot
- Making clicking noises one's mouths
- Daniel Kish, Echo vision: The man who sees with sound