Japan’s New Edible Cement
Student Kota Machida and Professor Yuya Sakai say the operation can turn food waste into a strong but bendable material like cement. They say it is four times stronger than regular concrete, and is sustainable. And, you can eat it, they found.
Source : https://learningenglish.voanews.com/a/japan-s-new-edible-cement/6600962.html