Preventing hydropower turbine failure
The Francis turbine is the most common type of water turbine used in Norwegian hydropower plants, and has been for many years. About half of the world's Francis turbines are found in Norwegian plants.
Social structure 'helps birds avoid a collision course'
The sight of skilful aerial manoeuvring by flocks of Greylag geese to avoid collisions with York's Millennium Bridge intrigued mathematical biologist Dr Jamie Wood. It raised the question of how birds collectively ...