At some point you also need resources. A lot of the invention necessity + nothing can lead to already exists.
You can "invent" a lever or pulley out of random objects that you already have. It may make your task easier, but it won't be world changing.
Necessity (read, pending starvation) may lead to a desperate search for Other People's Money to bring a concept to fruition, but it's not quite the same thing.
You can "invent" a lever or pulley out of random objects that you already have. It may make your task easier, but it won't be world changing.
Necessity (read, pending starvation) may lead to a desperate search for Other People's Money to bring a concept to fruition, but it's not quite the same thing.