With the Smart Finger, the days I use the inaccurate method of measuring length with my fingers may be long gone.
Allowing you to digitize your approximations, the Smart Finger are like two tech thimbles that help measure with ease. According to Yanko Design, "The distance (measurement) is calculated on the basis of the time taken by the signal to beam from one finger tip to the other and back."
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The Smart Finger Measurement Device Digitizes Human Approximations
By: Meghan Young - Published: Sep 14, 2010 • References: yankodesign