Submitted by Michael Frankfort @mfrank_76
Tennessee students build robotic hand for new classmate
![Sergio Peralta wears a prosthetic hand built by his classmates](https://ichef.bbci.co.uk/news/976/cpsprodpb/10ABA/production/_128428286_prosthetics_tennessee.jpg)
Sergio Peralta said his classmates changed his life with their creation
Starting at a new school this year, 15-year-old Sergio Peralta had all the typical teenage reasons to be nervous.