Further teardown of the tip seems impractical, but that's okay: we have eyes everywhere, thanks to some slick X-ray imaging from our pals at Creative Electron.

Get a load of that tiny spring-loaded tip, and the two emitters buried within the shaft.

Just for kicks, we also imaged the itty bitty folded logic board, and the Lightning Connector and cap.

Fortunately this was captured when the Pencil was still intact, so you can still see the connector neatly soldered to its little ribbon cable. It's a thing of beauty (at least until the day you need to repair something).