A writer meets with “grinders”—people who are obsessed with human enhancement through the manipulation of their body with technology—and then decides to implant a magnet in his finger:
I chatted with Warwick from his office at The University of Reading, stacked floor to ceiling with books and papers. He has light brown hair that falls over his forehead and an easy laugh. With his long sleeve shirt on, you would never know that his arm is full of complex machinery. The unit allows Warwick to manipulate a robot hand, a mirror of his own fingers and flesh. What’s more, the impulse could flow both ways. Warwick’s wife, Irena, had a simpler cybernetic implant done on herself. When someone grasped her hand, Prof. Warwick was able to experience the same sensation in his hand, from across the Atlantic. It was, Warwick writes, a sort of cybernetic telepathy, or empathy, in which his nerves were made to feel what she felt, via bits of data travelling over the internet.