Here's the link to the PBS video https://www.pbs.org/video/pbs-space-time-dyson-sphere/ https://www.pbs.org/video/pbs-space-time-dyson-sphere/ The article is

Here's the link to the PBS video https://www.pbs.org/video/pbs-space-time-dyson-sphere/ https://www.pbs.org/video/pbs-space-time-dyson-sphere/ The article is just a plug for this video and pushing ads for popular mechanics.