Graphene Kirigami Shows Potential for Engineering Negative Friction Coefficient

Quick Summary

• The Proceedings of the National Academy of Sciences (Volume 122, Issue 28, July 2025) highlighted advancements in understanding friction forces.
• Typically, friction increases with a higher normal load due to positive friction coefficients.
• The study explores systems exhibiting negative friction coefficients, although these have only been demonstrated at low magnitudes previously.

Indian Opinion Analysis
This study provides valuable insights into the physics of frictional forces and could potentially inform technological innovations in materials science and engineering.For India, advancements related to material properties could find applications in industries such as manufacturing, transportation, and nanotechnology-fields that are critical to economic growth and global competitiveness. Continued focus on scientific research like this underscores India’s need for robust investments in R&D infrastructure to leverage breakthroughs for domestic technological progress.

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