In Pictures: The 31 weirdest, wackiest and coolest sci/tech stories of 2012

From Google Android development to crazy iPhone stunts, it’s been a busy year

In the good idea department: An official here holds a ball and wrist watch for a goal-line technology system by the FIFA-selected provider GoalRef, which will be used at the Club World Cup soccer tournament. The system, which uses a microchip implanted in a ball and low magnetic waves around the goal, will detect if the ball has crossed the line and send an immediate message to the wrist watch worn by the referee.

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