Katharine Burr Blodgett made a breakthrough when she discovered ‘invisible glass’

image via New Scientist

February 26, 2026, 6:00 PM

• •Katharine Blodgett's discovery of nonreflecting glass in 1938.
• •Blodgett's work involved meticulous experimentation with thin film coatings.
• •The discovery led to widespread recognition and application of the technology.
• •The process involved stacking molecular layers to control light reflection.

In the 1930s, Katharine Burr Blodgett, working alongside Irving Langmuir at General Electric, made significant strides in surface chemistry. Her meticulous experiments culminated in the groundbreaking discovery of nonreflecting glass, a breakthrough that garnered her recognition in both scientific and public spheres. This invention, achieved through patience and repeated experimentation, revolutionized various applications from eyeglasses to camera lenses. Despite the initial acclaim, Blodgett's contributions highlight the often overlooked role of persistence and detailed observation in scientific advancements.

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