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flag Columbia researchers create wire-free, color-changing nanosensors for advanced force detection.

flag Researchers at Columbia Engineering have developed highly sensitive "all-optical" nanoscale sensors that change color or intensity when force is applied, eliminating the need for wires. flag These sensors, made of luminescent nanocrystals, can function in previously inaccessible environments and have applications in fields like robotics, medicine, and space travel. flag The sensors achieve a 100-fold improvement in force sensitivity and can operate with biocompatible infrared light.

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