# Bill Stone: Exploring deep caves (and someday the moon)

Bill Stone, a maverick cave explorer who has plumbed Earth’s deepest abysses, discusses his efforts to mine lunar ice for space fuel and to build an autonomous robot for studying Jupiter’s moon Europa.

- Kind: Talk
- Year: 2007
- Runtime: 17 min
- By: TED.com
- Genres: Education, Science, Space, Adventure
- Archive: [Internet Archive](https://archive.org/details/BillStone_2007)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/BillStone_2007?play=1)