The phrase “raise the bar” has its origin in high jumping and pole vaulting, and is now a metaphorical cliché in many fields. In sports, of course, it has both a metaphorical and a literal meaning. Dick Fosbury raised the high-jump bar metaphorically—his Fosbury Flop technique revolutionized the sport—but not literally, since he never held the world record. That was left to others: Every world record holder since 1978 has been a “flopper,” including Javier Sotomayor (Fig. 1)...
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