It's a pretty well-documented phenomenon. http://en.wikipedia.org/wiki/Human_ech... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

mbateman on March 3, 2011 | parent | context | favorite | on: The blind man who taught himself to see

It's a pretty well-documented phenomenon.

http://en.wikipedia.org/wiki/Human_echolocation

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact