Is it correct to classify technolgy as a kingdom? I recently read some article about a possible 7th kingdom of classification . They considered technology as a kingdom and named it Technium. Actually I was not sure whether it could be called a kingdom as of course we do not consider machines to be living. Thus my doubt was whether there is any biological significance to this claim or is it simply a term that represent technology?

The classification of organisms on Earth is a highly regulated science. It may be interesting to talk about non-living things as a "Kingdom", just to provoke discussion. But under the rules set out by the International codes of zoological/botanical Nomenclature, all higher classifications are the descendants of a common ancestor. Only living things are classified under this code. So, no, technology is not a kingdom. And the term "Kingdom" has undergone so many changes under the rules of cladistic nomenclature, that it is not nearly as relevant as it was when I was a kid (with only 3 kingdoms), since most of the familiar kingdoms are not monophyletic. <