Add "compass" to that list of rumored features -- again -- for the next, still-unconfirmed iPhone revision, alongside video production capabilities, a slide-out keyboard, OLED display, LTE / Verizon support, and EV-DO rev. B (okay, not really that last one). Boy Genius Report has obtained two screens allegedly from an unreleased iPhone OS build that suggest a magnetometer'll be part of the new hardware. Given turn-by-turn navigation is now an option for developers, we'd say having directional support is almost a necessity. Why there's also an option for Kitchen Sink in the image we haven't the foggiest, but we're gonna go ahead and add "holographic plumbing assistant" to that wishlist.

CMU researchers control microbots with mini magnets