This one is a good idea, but the technology is wrong:Balls and strikes should be determined by lasers (only those we can spare from volcano-lancing, of course). There’s no excuse for allowing the imprecision of a home-plate umpire in the 21st century.It’s not just imprecision — it’s subjectivity. But I’m not sure how lasers would work. The strike zone varies from batter to batter (e.g., different knee and shoulder heights, and stance). I think it would be better to put in miniaturized GPS-typ