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Universe Today Podcast Transcripts

Fraser Cain · 1,599 episodes with transcripts

Public feed with [Space Bites+], [Q&A+], [Interview+] and other episodes. Free for everyone.

Spoken has transcripts of 1,599 Universe Today Podcast episodes, with the speakers named. The newest listed here is from October 7, 2026.

AstronomyScience

Every Universe Today Podcast transcript in one script

1,599 episodes of Universe Today Podcast have transcripts. Fetch them all as speaker-labeled Markdown in one script — 1 credit each, and re-fetching one you already have is free:

archive.sh
curl -s -H "x-api-key: YOUR_KEY" \
  https://spoken.md/podcasts/794058155/episodes \
  | jq -r '.episodes[] | "\(.id) \(.title)"' \
  | while IFS=' ' read -r id title; do
      slug=$(echo "$title" | tr '[:upper:]' '[:lower:]' | tr -cs 'a-z0-9' '-' | sed 's/-*$//')
      [ -f "${id}-${slug}.md" ] && continue
      curl -sf -H "x-api-key: YOUR_KEY" \
        -o "${id}-${slug}.md" \
        https://spoken.md/transcripts/$id || rm -f "${id}-${slug}.md"
      sleep 0.34
    done

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Latest Universe Today Podcast transcripts

[Interview+] Two Football Fields of Solar Sail in One Rocket | NIAC 2026

October 7, 2026

Fraser Cain (0:00)

The current propulsion systems are chemical rockets and ion engines, with the occasional dabbling into solar sails. But the problem with solar sails is that they are incredibly fragile. When you look at some of the really big solar sails that have been built, you have this boom, and you have to stretch out this…

Tell us about your project.

Artur Davoyan (1:48)

Thank you, Fraser. Thanks for finding time.

So, we are interested in solar sails in general, and solar sails are this very large area spacecraft, ultra-lightweight, large area spacecraft, CNS-L membranes. And they use solar radiation pressure for propulsion. So, the light hits the membrane, gets reflected, and that's where you get the small force that pushes…

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