How Do They Do It? Season 4 Episode 6 2007

How Do They Do It? Season 4 Episode 6: The design and manufacturing of large jet engines; non-lethal weapons that stun without killing; the world's largest telescope.
- Aired:Apr 25, 2007
- Seasons:17 · Episodes:287
- Country:Canada, Singapore, United Kingdom, United States of America
- Network:Discovery











