The HAPIfork contains an electronic key with a printed circuit that links the extremity and the handle of the fork.

ENGADGET: HAPILABS introduces HAPIfork (and spoon) smart utensils, brings metrics to your mouthfuls (hands-on)

Jacob would get by till middle age, probably, when he would step onto this death as onto the tines of a garden fork, and the solid shaft of the handle would rear up and hit him in the face.

NEWYORKER: Homework