Oil sands, Fort McMurray, Alberta. Photo credit: Eryn Rickard

Down and Out

Words matter. If appropriate, they help understanding. And even if imprecise or absent, they help, as they often reveal the underlying intention or end goal….

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…