To make aerated concrete, add a foam-forming agent and stir in a significant amount of air. This serves to make the concrete ...
Safari Martins may be Kenya’s most famous barber. Known as Chief Safro on social media, where he has millions of followers ...
Interesting Engineering on MSN
Great Green Wall: Drought-resilient algae to help reclaim 6,667 hectares of desert
The cyanobacteria-based crust can withstand winds of 22mph, it is slated to reclaim up to 6,667 hectares in Ningxia over the ...
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