Re: Why do Braille innovations always fail?
Good question, there's a NASA based Electroactive Polymer site [here] last updated in 2015 featuring various links but a lot of them are dead. The latest I've found dates around 2012 from the [North Caroline State University], but there's not much else after that. I know that the fishing line Actuators suffered from thermal stress problems limiting their applications, maybe the Polymers had too short a shelf life? Whatever the reason interest seems to have vanished.
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