3 ms·Helium will also cause it to stop workingby SudoEpoch 7y agoHelium will also cause it to stop workingwereHamster 7y agoHelium will make the iPhone gyro stop working for a few days.Redoubts 7y agoAlmost forgot how cool MEMS arebaq 7y agothe whole thing, actually, not just the gyro. the clock is nanomechanical and helium breaks it, apparently. the newer models have a version that fixed that particular problem. it was in the fine print in the manual somewhere.