Photo credit: Pxfuel

No Kiln in Making Soda

Sodium carbonate, known as soda or soda ash, has been made on an industrial scale since the 1790s. Annual production worldwide is well over fifty…

Photo credit: NessyPic

Big Pit Blaenavon

Big Pit National Coal Museum is an industrial heritage museum in Blaenavon, Wales (United Kingdom). The Big Pit is part of a network of coal…