简介:Activists around the world fight injustice and drive social change in this documentary that follows their participation in the music video Solidarité.
简介:With the help of a team of experts and the latest in 3D scanning technology, Alexander Armstrong, along with Dr Michael Scott, explores the hidden und
简介:Black holes stand at the limit of what we can know. To explore that edge of knowledge, the Event Horizon Telescope links observatories across the worl