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Re:Launch HN: Sunu (YC S17) – Sonar wristband helping blind ... by azhenley on Friday July 28, 2017 @10:19AM (#14874406)
This is awesome!

I have always had an interest in this stuff. I recently saw a presentation at CHI'17 where they used a device that applies temperature changes to the skin to help people navigate [1].

[1] http://dl.acm.org/citation.cfm?id=3025965

Re:Launch HN: Sunu (YC S17) – Sonar wristband helping blind ... by marco_trujillo on Saturday July 29, 2017 @03:14AM (#14879992)
Awesome! thanks for sharing.