The diverging forms of material and immaterial missionary heritages and legacies. For centuries, Christian missions have intervened in local religious communities, practices and ideas across the globe, generating encounters between Indigenous and Western cultures that have ranged from hostile confrontation to intercultural osmosis. While primarily intended as a strategy for evangelisation, form…
In its first centennial, aerospace has matured from a pioneering activity to an indispensable enabler of our daily life activities. In the next twenty to thirty years, aerospace will face a tremendous challenge - the development of flying objects that do not depend on fossil fuels. The twenty-three chapters in this book capture some of the new technologies and methods that are currently being d…