Alex Chan is standing in front of what looks like a five-storey, purple cheese grater. The enormous disc is known as a cutter head, and the 4000-tonne engine sitting behind it will soon push it underground.
Commuters using a major metro line connecting the CBD and Melbourne’s northwest are facing major train delays after a vehicle smashed through a suburban railway station’s fence.
NASA’s plan to build a train track on the moon is part of the agency’s Innovative Advanced Concepts program, which aims to develop “science fiction-like” […]