Virtual reality is changing how apprentices learn, and it might just be the future of construction training. Daniel Williamson finds out how the technology is shaping the next wave of tradies. Jenny is 35 feet in the air. She finds herself standing on a narrow steel beam, with nothing but a harness clipped to a temporary rig. Below her is the blur of a construction site, machinery, concrete and scaffolding. Everything is slightly pixelated, but she could swear she was getting vertigo. Jenny i...