“In about six months … we’re actually going to be hooking my peripheral nervous system up to the nervous system of a cockroach and we’re going to allow me to control a cockroach … Then we’re actually going to flip the switch the other way and we’re going to let the cockroach control me.” Wearable devices are all the rage these days. But some people are leapfrogging that babystep and entering the world of implantation — where the technology gets all up in that (and then some). Are these self-experimenters out of their minds, or are they set to leave the rest us of back in the dark ages of human flesh and bone? In Mosaic, Frieda Klotz visits the world’s first cyborg fair to get some answers (and probably a gets a little grossed out in the process).