What we’re seeing here is that, when you’re stuck, you can use a process of “laddering up” to get inspiration. The lower rungs on the ladder offer a view of situations very similar to yours; any visible solutions will offer a high probability of success, since the conditions are so similar. As you scale the ladder, you’ll see more and more options from other domains, but those options will require leaps of imagination. They’ll offer the promise of an unexpected breakthrough—but also a high probability of failure. When you start looking for cross-fertilization between the medical-plastics
...more