Isaac Arthur: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/videos https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/vid... Exploring science

Isaac Arthur: https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/videos https://www.youtube.com/channel/UCZFipeZtQM5CKUjx6grh54g/vid... Exploring science fiction concepts using currently known science.