The world’s first viable jet pack, invented by Christchurch engineer Glenn Martin, is already joining icons like the Flight of the Choncords and The Lord of the Rings as an international symbol of New Zealand creativity and ingenuity. Mr Martin’s personal flying machine, recently unveiled at a leading United States air show, uses a fan jet powered by a piston engine. It can fly for up to half an hour, delivering a quantum leap forward for the aviation industry with no other jetpack ever having ...