Like a well-guarded fortress, the human brain attacks intruders on sight. Foreign objects, including neural probes used to study and treat the brain, do not last long. But now, researchers have designed a probe that looks, acts, and feels so much like a real neuron that the brain cannot identify the imposters. According to Charles M. Lieber, this breakthrough "literally blurs the ever-present and clear dissimilarities in properties between man-made and living systems." They have blurred the line between human and machine.
* This article was originally published here
