Beginner's Guide to Echolocation: New Book Poised to Change Lives for Blind and Visually-Impaired
According to engineer and author Tim Johnson, anyone who can hear can Echolocate. Requiring no special equipment or talent, the use of biological sonar is a skill that any blind or visually-impaired person can tap into for complete confidence in foreign environments. In his compelling new book, Johnson provides the world’s first literary guide to active human Echolocation and its simple implementation.
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