The standard narrative on Switzerland covers private banks, cuckoo clocks and an active citizenry. It doesn’t usually include economic deprivation – the country has the highest average nominal wealth ...

Abstract: Ground-penetrating radar (GPR) inversion is a well-accepted technique for tunnel geological prediction by reconstructing the permittivity distribution in front of the tunnel face. However, ...

Tunnels are used to carry traffic through some of the most extreme terrain on the planet and they help ease journeys with reduced travel time. While most tunnels offer a short underground burst of ...