12∞ · Question 6.7.5
Can blind people really navigate by echo?
Yes. Some blind individuals make clicking sounds with the tongue and interpret the returning echoes to sense the size, distance, and texture of objects, well enough to hike and…
From the book 12∞ Twelve to Infinity by D.R. Davenport. The full answer is free to read with an iBelieve account.
Where it sits in the book
- Part
- 6: Humanity Unlocked
- Gate
- 6.7: Exceptional Humans
- In print
- Page 199
- ← 6.7.4 · What is perfect pitch, and can it be learned?
- 6.7.6 → · What do extreme endurance athletes show about human limits?
- All of Part 6
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