Chris Toumazou is an electrical engineer who has unexpectedly found himself helping to design medical devices. In the process he has realized that because biology is analog, our current digital approach to medical technology can be improved when interfacing devices with the human body. Here's his talk from last year's TEDMED where he explores this further:

Here's a short Q&A between Jay Walker and Chris Toumazou that followed the talk:

This post also appears on medGadget, an Atlantic partner site.