American physicist and chemist Katharine Burr Blodgett was born #OTD in 1898.
She was the inventor of a technique for making non-reflecting "invisible" glass, a material used in virtually all camera lenses & many other optical devices. She was also responsible for developing an instrument that can measure film thicknesses to within a few angstroms. She did research on methods of removing ice from airplane wings. She is also credited with the development of a new type of smoke screen.
