# Inside the world's deepest caves

- Institution: TED
- Department: TED2007
- Speaker: Bill Stone
- Year: 2007
- Level: For everyone
- Language: English
- Subjects: Earth and environment, Astronomy and space
- Source: [TED](https://www.ted.com/talks/bill_stone_inside_the_world_s_deepest_caves)
- Licence: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (Non-commercial use only, and no changed versions.)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

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.

## Lectures

1. [Inside the world's deepest caves](https://invisiblenetwork.ai/learn/ted/bill_stone_inside_the_world_s_deepest_caves/8aae118aa51b), 18 min (TED's player)