University of Illinois Researchers Identify Suspended Ice Bridges as a Mechanism for Frost Propagation

Researchers at the University of Illinois Urbana-Champaign have identified a previously unknown mechanism of frost propagation involving the formation of “suspended ice bridges.” Led by Professor Nenad Miljkovic of The Grainger College of Engineering, the study details how these ice structures develop on surfaces, offering new data that challenges existing scientific assumptions regarding how frost spreads.

The research team observed that these suspended ice bridges form between frost droplets, creating a pathway for ice to travel across a surface. By documenting this specific growth pattern, the scientists established a clearer understanding of the physical processes that govern frost accumulation. This discovery provides a technical foundation for future investigations into how surfaces might be engineered to interrupt these bridges and inhibit the spread of frost.

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Date: June 2, 2026

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