A 3D Printed Prototype of a Device that Can Store Information (IMAGE)

University of Washington

A 3D Printed Prototype of a Device that Can Store Information

Caption

Engineers at the University of Washington created a 3D printed prototype of a device that can store information, such as how many times someone used an insulin pen, by rolling up a spring inside a ratchet that can only move in one direction (shown here). When the user releases the ratchet, the spring unwinds and moves a gear that triggers a switch to contact an antenna. Each contact is counted to determine how many times a person used the device.

Credit

Mark Stone/University of Washington

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