From National Geographic’s I Didn’t Know That, this flexible, concrete-laced canvas can be put up by two people and ready to use as shelter within 24 hours. It’s essentially a building in a bag. With water to activate the concrete and air to inflate it into shape, the concrete hardens into a solid structure that resists fire and water. It can even become a sterile, hospital-like environment, an essential need in humanitarian crisis situations.
via Viral Viral Videos.
This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.
Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.