Dr. Houssam Toutanji, a professor at the University of Alabama in Huntsville, has recently published an article which deals with a concept of creating concrete structures on the lunar surface without the use of water. Since regular concrete requires water, ...

Concrete, as strong as it may be, cannot stop water from seeping through it and forming cracks. The U.S. Company Penetron has developed a series of powder-like waterproof materials, which can protect concrete from even the strongest of elements. Penetron ...