Tomorrow at ISRO's Human Space Flight Symposium, will be talking about the making of 'space bricks' or bricks that can be used for extra-terrestrial habitats. We took lunar soil (simulant) & used bacteria to build us this beautiful brick (cylinder; right image). Left - paper. pic.twitter.com/OxOzHfTHKQ

— Aloke Kumar (@aalokelab) January 23, 2020