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Apparatus to Test Finger Compressibility

Major collection: Science & Technology
Object type: robot
Maker: MIT Human & Machine Haptics
Date made: 1991
Measurements: 16 1/4 in x 13 in x 19 1/2 in

In order to improve understanding of the biomechanics underlying our sense of touch, the MIT Touch Lab developed this device to measure the compressibility of the human fingertip. A subject's finger was immersed in fluid and a probe then indented the fingerpad. To measure the compressibility of the fingertip, researchers noted changes in the volume of the fluid.