Discover and share stories

of adventure, connection, and change making.

5 people think this is good

Could a mix of sand and urine be a super-green replacement for concrete?

Andrea Margutti

For his thesis project, Dupe, the graduate of the University of Edinburgh, Peter Trimble investigated if it was possible to grow our building material instead of using intensive heat. “I thought, Is there an equivalent material that’s more environmentally friendly but structurally comparable out there?” he recalls. Turns out there is. All you need is some sand, bacteria, calcium chloride and a decent amount of urea to make it happen.

Continue to wired.com

Inappropriate?

Discuss

  1. {{attachment.file.name}}
  1. {{fields.video_link.url}}

Ready to post! You’ve uploaded the maximum number of images.

Your video is ready to post!

Oops! Nice pic, but it’s just not our (file) type. Please try uploading a .jpg or .png image.

Well, this is embarrassing. Something went wrong when posting your comment. Care to try again?

That image is too large. Maximum size is 6MB.

Please enter a valid URL from YouTube or Vimeo.

Embedding has been disabled for this video.

{{c.errors.other}}

Posting comment...