Glass is made by mixing and heating silica (sand), sodium carbonate (soda) and limestone (calcium carbonate).聽 But, as we know, glass breaks quite easily, especially when subjected to sudden...
The ice was painted white. Artificial ice, which is a misnomer since it is very real ice, is made by pouring water over a concrete surface that can be cooled by circulating refrigerated brine...
Acid rain! Many gravestones are made of marble, which dissolves in acid. This means that if rain water is acidic, every time there is some precipitation, a bit of the marble is worn away. Acid rain...
RSS