I've said it before that I'm not much of a DIY-er, so I'm not likely to make my own cement blocks to build anything, but I like the idea of trying this as a project with my students to balance strength/weight/cost in a building material.
The short version of the above video is that a version of aircrete can be made with xanthan gum, rubbing alcohol, water, dish soap, and cement with some vigorous mixing (a kitchen blender, a drill with a drywall mud attachment, or a smallish cement mixer).
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