In collaboration with Astro Alexandra (who I had not heard of), SciShow just released a video on upcoming telescopes. They don’t go into too much detail on each one, but the video gives a nice overview.
[SciShow] A Deep Dive Into The Bizarre Future of Telescopes
Submitted 5 months ago by threelonmusketeers@sh.itjust.works to astronomy@mander.xyz
https://www.youtube.com/watch?v=3xCRLJjSQAA