Sensory scientists dedicate their research to expanding the human experience. That means creating limbs that can touch, scents that stimulate memory and virtual realities that take us to new worlds. This hour, we’ll talk about hacking our senses with science writer Kara Platoni, author of “We Have the Technology: How Biohackers, Foodies, Physicians, and Scientists Are Transforming Human Perception, One Sense at a Time” (Basic Books).