Timber buildings are reaching towards the skies, thanks to breakthroughs in super-strong wood. The Age recently featured this article looking at the future of Tall Timber:"Mass timber" is the collective term used to describe this new suite of structural materials, which include cross-laminated timber or "CLT" (multiple layers of wood glued together at right angles under extreme pressure to form giant wall, ceiling and floor panels) and "glulam" (layers of wood jointed together along the same gra...