bookmark
Teenager’s Brilliant Vision Creates Navigation Device For the Visually Impaired
http://inventorspot.com/articles/teenage-prodigy-invents-navigation-device-for-visually-impaired
тэги
- assistive
- belt
- blind
- cane
- iaid
- impaired
- innovation
- navigation
- patent
- sonar
- stick
- technology
- visually
- wearable
