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From Pyrex to Bioglass: Glass is all around you, even in you
Manage episode 198546938 series 170456
Content provided by North Country Public Radio 010329 and NCPR: North Country Public Radio. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by North Country Public Radio 010329 and NCPR: North Country Public Radio or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.
(Oct 8, 2020) A lot of different things are mixed with silicon dioxide to make different kinds of glass. Added lead makes crystal. Most ordinary glass is made with the addition of soda lime. Pyrex glass has boron to give it heat resistance. Fiberglass contains aluminum. Amorphous substances like porcelain and polycarbonate plastic can also count as glass, as can certain amorphous mixtures of metal. One of the most interesting new technologies is Bioglass, where calcium, phosphorus and other bone nutrients are added to glass to serve as a matrix for replacement bone. Actual bone cells are attracted to the glass and new, healthy bone can form around it. Martha Foley and Curt Stager discuss.
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110 episodes
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Manage episode 198546938 series 170456
Content provided by North Country Public Radio 010329 and NCPR: North Country Public Radio. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by North Country Public Radio 010329 and NCPR: North Country Public Radio or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.
(Oct 8, 2020) A lot of different things are mixed with silicon dioxide to make different kinds of glass. Added lead makes crystal. Most ordinary glass is made with the addition of soda lime. Pyrex glass has boron to give it heat resistance. Fiberglass contains aluminum. Amorphous substances like porcelain and polycarbonate plastic can also count as glass, as can certain amorphous mixtures of metal. One of the most interesting new technologies is Bioglass, where calcium, phosphorus and other bone nutrients are added to glass to serve as a matrix for replacement bone. Actual bone cells are attracted to the glass and new, healthy bone can form around it. Martha Foley and Curt Stager discuss.
…
continue reading
110 episodes
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Similar to Natural Selections
Come dive into one of the curiously delightful conversations overheard at National Geographic’s headquarters, as we follow explorers, photographers, and scientists to the edges of our big, weird, beautiful world. Hosted by Peter Gwin and Amy Briggs.
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How can we, humans, look at our relationship to nature differently? In season three of Going Wild, on top of stories about animals, we invite you to journey through the entire ecological web — from the tiniest of life forms to apex predators — alongside the scientists, activists and adventurers who study it. Wildlife biologist and host Dr. Rae Wynn-Grant has been studying wild animals in their natural habitats all over the world for years. Our award-winning podcast takes you inside the hidde ...
…
continue reading
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continue reading
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