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 Scientists Are Close To Eliminating Pain Muscle Engineered To Respond To Light The Secrets of Sugar – The Sweet Killer – Documentary How Our Emotions Transform Mundane Events Into Strong Memories Man Cured Of HIV – Explained 3-D Printed Toothbrush Tailored to Your Teeth