New 'Polaroid' glass for vehicle headlamps unveiled
Demonstration of new 'Polaroid' glass in a bid to cut glare. New York; man at glass device turning lens; metal disc in front of glass to determine strain; lens turning on eyeglass; 'tea for two' sign in front of lens; fish bowl; holding glass over bowl; ripple disappears; girl making up; glass put over face; turning disc over girls face; putting another disc over face blotting out image; glass put over headlamps.
