Haptic technology, which produces tactile feedback, has taken a step forward at Microsoft with a 3D touchscreen that responds to touch with a feel appropriate to what the user is seeing. The screens could be used in medicine, helping doctors to meaningfully explore large stores of data. "I could see an image of the front of a brain and pushing a finger through the layers of the brain to travel through the data. I could imagine receiving haptic feedback when you encountered an anomaly, such as a tumor, because we can change the haptic response based on what you touch," said Microsoft engineer Michel Pahud.
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