Researchers from the University of Reading have discovered that a simple hydrogel can “learn” to play the classic computer game “Pong” by improving its performance over time when stimulated with electrical signals. This behavior suggests that even basic materials can exhibit adaptive learning abilities typically associated with living systems or advanced AI. The findings open new possibilities for developing “smart” materials with applications in soft robotics, prosthetics, and environmental sensing, potentially leading to simpler and more efficient computational systems.
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