Back to rose gold tacks... It's time to take out the iPhone's new Taptic Engine.

A blast of X-ray radiation reveals a peek at the linear oscillating mechanism underlying Apple's latest mechanical wonder, said to reach peak output after just one oscillation.

That's not Photoshopped for contrast—dense materials like magnets absorb more X-rays, so the haptic feedback mechanism looks dark and crisp compared to other materials (like the aluminum frame).

Once removed, there is not much showing what is going on inside—just a couple spring contacts, some cryptic markings, and big label complete with the Apple logo mark.