Tag Archives: Cement

Some notes on Geopolymer, cement, clay bricks unfired, and DIY

How to make your own cement, liquid stones, and some papers showing it is catching on, and how to do it. Continue reading

Posted in Earth Sciences, History, Tech Bits | Tagged , , , , , | 47 Comments

Dinosaurs, Liquid Stone, and Radioactivity

Dinosaur fossils can be radioactive. This leads to interesting thoughts about liquid stone and hunting fossils. Continue reading

Posted in Science Bits | Tagged , , , , , , | 67 Comments

Liquid Stone

Did the Egyptians and other ancients use some kinds of ‘liquid stone’, perhaps similar to, but different from, our cement and concrete? Continue reading

Posted in History, Science Bits, Tech Bits | Tagged , , , | 46 Comments