Скачать с ютуб Meet the Toxic Sand Vacuum | Torch Lake, Michigan в хорошем качестве

Meet the Toxic Sand Vacuum | Torch Lake, Michigan

100 years ago, people started sucking toxic sand out of a lake. They weren't trying to clean up the environment, but they WERE on a quest to find copper — and it went shockingly well. Here's how they pulled it off, and the rusty legacy they left behind. ✨ Want to support my work? Well, hey, thank you so much. You can learn more about how to keep this thing going at www.patreon.com/alexisdahl. ☕ Find this series valuable, but Patreon isn't for you? You can also help keep this thing going at www.buymeacoffee.com/alexisdahl. Find Me Elsewhere: • On Instagram, I upload a lot of nature photos, plus science and adventure stories: instagram.com/alexis.writes • Want to work together or learn more about my work? Contact me at AlexisDahl.com. • On Etsy, I sell original artwork and stickers: etsy.com/shop/AlexisJDahl • On Twitter, I occasionally share science news and the occasional thought: twitter.com/alexiswrites Music: "Already There" by Josh Woodward. Free download: joshwoodward.com Key Sources on the Torch Lake Dredge, its engineering, stamp sand, copper flotation/reclamation chemistry, and copper mining in Michigan's Keweenaw Peninsula: https://books.google.com/books?id=ER8... https://www.michigan.gov/documents/de... https://www.michiganseagrant.org/wp-c... http://chemistry.elmhurst.edu/vchembo... Historical Photos: https://www.loc.gov/pictures/item/mi0...