Invent and inventions, create and creations, discover and discoveries – are the words representing human intelligence in doing something, usually creative work, not necessarily thought or done by other people. Why are there so many different words that describe something really intangible? Maybe, all these words are by-products, or derivatives, from the same human activity – ability to think? You will be able to understand this and some other phenomenon of our thinking ability by reading this post.
Let’s start with analysis of totally useless inventions: