By HN guidelines, things that are appropriate are "Anything that good hackers would find interesting... anything that gratifies one's intellectual curiosity."

This is the story of Dr. Joshua Miele who, after this horrific attack, has been working on some really interesting projects using technology to make the lives of those living with disabilities better.

After reading this story, I found an interview he did describing some of the projects he's been working on, including tactile maps on smartphones to help blind people navigate their world. http://www.kqed.org/a/forum/R201106171000.

So I'd say it's relevant.