Predicting parabolas is something Singaporeans seem to find intriguing. How else do you explain golf? Or the awe in which we hold for legends in football? Our bodies are uniquely good at throwing things at targets. The physical trajectory must be prefigured in the brain before the projectile leaves the fingers. Our shoulders rotate, our scapulas slide, our pelvises pivot, our arms flex and our fingers extend. It all requires exquisite co-ordination of a sequence of movements. Launch!