Piston effect platforms with a single tunnel, however, air quality worsens when relying on the piston effect alone for ventilation. This still allows for potential energy savings by taking advantage of the piston effect rather than mechanical ventilation where possible. Tunnel boom is a loud boom sometimes generated by high-speed trains when they exit tunnels. These shock waves can disturb nearby residents and damage trains and nearby structures. The perception of this sound by humans is similar to that of a sonic boom from supersonic aircraft, but unlike a sonic boom, tunnel boom is not caused by trains exceeding the speed of
Faster Than the Speed of Night Faster Than the Speed of Night Faster Than the Speed of Night is the fifth studio album by Welsh singer Bonnie Tyler. It was released first in Europe on 8 April 1983 and later that year in the US through Columbia Records. Tyler had changed musical direction from country music in 1980, and began working with Jim Steinman soon after. Steinman produced the album and wrote its most successful single "Total Eclipse of the Heart". The album reached number one on the UK Albums Chart. It was certified Silver in the UK, Platinum in the US, and Double Platinum in