A football helmet design that listens to physics – Mechanical Engineering
NFL Testing Safer Helmets
APEX helmet designed to protect players
Everything you need to know about the NFL's helmet guidelines and restrictions - Canal Street Chronicles
Magnets may make helmets safer
Exclusive Look at Football Helmet Safety Testing - ABC News
Gear Innovations: How technology is making youth football safer
This Helmet Will Save Football. Actually, Probably Not. - The New York Times
New Helmet Technology Aimed to Make Football and Other Sports Safer
New helmet design can deal with sports' twists and turns
Football helmets are creating more problems than they solve
This new football helmet uses high-tech display screen for quarterbacks who are deaf or hard of hearing - ABC7 San Francisco
Building a Better Helmet for a Dangerous Game
New Stanford-Developed High-Tech Helmets Could Protect Football Players From Debilitating Concussions