Using tiny ripples at skin level to monitor for possible health problems below
Medical Xpress
March 5, 2026
Caltech scientists have developed a method that detects tiny, imperceptible movements at the surface of objects to reveal details about what lies beneath. By analyzing the physics of waves traveling across the surface of an object—whether that be a manufactured product or the human body—the new technique can determine both the stiffness and thickness of the underlying material or tissue. This lays the groundwork for the project's ultimate goal of enabling inexpensive, at-home health monitoring using little more than a smartphone camera.
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Originally published on Medical Xpress on 3/5/2026