A report from Russian Space Web says investigators have traced the problem to a series of sensors that were apparently upside down. The so-called angular velocity sensors were a critical part of the circuitry that kept the rocket upright during launch. They were so important, says Russian Space Web, that they even had little arrows on them that were supposed to point toward the top of the rocket. That seemingly was not enough to prevent a young technician from installing them upside down. Read More
