Invisible Helmet Here is a rather interesting concept, a protective helmet that is invisible at first and inflates before impact. Facebook Prev Article Next Article Health Checkout these cool gadgets... Related Posts Soccer Players Gets Revived by Implanted Defibrillator Why Your Body Is Built To Run Long Distances Is Happiness Actually Contagious? The First Man Who Lived Without a Heart Does Lactic Acid Really Cause Muscle Pain? Nano Display on your Skin