Under the hood of Apple’s iPhone, iPad charger

This is what goes into Apple 's $29 wall-charging unit.
(Credit:
Ken Shirriff)
No, it’s not the first thing people gravitate toward when tearing open their brand-new iPhone or iPad. Heck, it’s probably not even the second or third thing (the USB cable and the Apple sticker are more popular I’m sure).
But, hidden deep within that pretty box is a cube that makes the whole thing work. It’s an (more…)
