Virginia Tech students develop lifesaving device

This past March, Andy Cohen was caught in one of the worst snowstorms of the year.

The Crozet, Virginia, native, who graduated in May with a mechanical engineering degree from Virginia Tech, was on his way back to Blacksburg from touring graduate schools when his flight from Charlotte to Roanoke was canceled.

He and several other strangers, all anxious to get home, decided to rent a car together — which Cohen says was mistake number one. Mistake number two was deciding to take an alternate route.  Read more