Don't have Telegram yet? Try it now!
https://protectingsight.com/2020/09/18/protecting-sight-97-how-to-use-sonar-to-navigate-the-world-a-must-see-ted-talk-for-ophthalmology-colleagues-rest-in-peace-justice-ruth-bader-ginsburg-rbg/
Protecting Sight #97: How to use sonar to navigate the world. A must-see Ted Talk for ophthalmology colleagues. Rest in Peace Justice Ruth Bader Ginsburg. #RBG