Explainer video on how to build a Dyson Sphere

The latest explainer video from Kurzgesagt In a Nutshell examines what it would take to actually build a crazy cool idea conceived by Princeton physicist Freeman Dyson - a photovoltaic shell (or, less ambitiously, a satellite swarm of mirrors that focus the star's energy to a collector) that envelops a star in order to capture its energy. Read the rest