Build visibility | Share expertise | Strengthen authority

  • CMiC Leaderboard - September 2026
  • Cooper Equipment Rentals - Leaderboard
  • Keith - Leaderboard - March 2026
  • Leaderboard - Toronto Summit 2026 - Building Transformations
  • Leaderboard - ICBA Construction Leaders breakfast
  • Elevate - Command Alkon - Leaderboard
  • Leaderboard First Aid Construction - Dentec

This robot can tell when sewers need repairing by scratching the walls

A four-legged robot that inspects concrete can walk through underground sewage tunnels and detect when they need repairing. Hendrik Kolvenbach at the Swiss Federal Institute of Technology (ETH Zurich) in Switzerland and his colleagues have developed a robot that scratches one of its legs against concrete to determine the condition it is in.