If you listen to the stories of how things like major inventions came into being, it's almost always some domain expert visited some domain in which they were not an expert and inspiration struck on how to combine the domains.

Otherwise, the rest of invention is either human imitations or improvements to things found in nature or not inventions at all but discoveries stumbled upon by accident/experimentation.

Nothing is just willed into existence by pure "thought". Every thought you've had is a product of the things you've been surrounded by.