This man felt Obama's fist-bump with his mind-controlled robotic hand

This is pretty sick. While in Pittsburgh on Thursday to attend the White House Frontiers Conference, President Barack Obama fist-bumped Nathan Copeland, the first man to have his sense of touch restored via a mind-controlled robotic hand.  SEE ALSO: Watch Michelle Obama's entire speech on Trump and women A decade ago when Copeland, now 28, was a teenager, he lost all sensation from the chest downwards in a car accident. In another time, he would likely have never been able to feel again.&nb