“After experiencing a desire to invent a particular thing, I may go on for months or years with the idea in the back of my head,” said Nikola Tesla. Tesla calls this the incubation period, which precedes direct effort on the invention. Science writer, Steve Johnson, called this a slow hunch. And, in his 1940 publication, A Technique for Producing Ideas, James Young also calls it incubation as a part of the metal digestive process.
Young lays out a five step process for producing ideas. He says that:
“the production of ideas is just as definite a process as the production of Fords;… that in this production the mind follows an operative technique which can be learned and controlled; and that its effective use is just as much