2018 年 14 巻 4 号 p. 201-207
ILC (International Linear Collider) is an electron positron collider which is promoted by an international collaboration and is planned to build in Japan. In this article, social significance of an international scientific project in a large scale is discussed. We found that the scientific project produces new knowledge and human resource which are indispensable to maintain the social development. As political functions, it contributes to stabilize the international relation among nations which is one of the most important and urgent issue in the modern world.