John Parker

Fans of ‘Pointless’, the popular UK television quiz programme, will recognise that neodymium is well worth remembering when seeking that elusive pointless answer. In chemical parlance, it’s one of the fifteen lanthanide elements from lanthanum to lutetium, where each extra electron through the sequence is added to a 4f orbital (lutetium has an extra d electron). We will examine its use over almost 200 years to colour glass both from an artistic perspective and as the basis for several important practical applications.