Some problems have no evident solutions. We set them aside for now and move on to something else where we believe we can make progress, saying, "We can come back to that later, or maybe there's another way altogether." I collected a number of suggestions for difficult problems years ago, but there's one method I use that somehow escaped that catalog. I call it "Right-To-Left Thinking."
Because lines of text in my native language, English, are written left-to-right, and because the lines are usually arranged top-down, I tend to make diagrams with a left-to-right/top-down general direction of flow. For me, then, right-to-left is a reverse of my normal pattern. That might be why it helps me find novel solutions, because it compels me to look at things differently. If your primary written language flows in some other direction, you'll want to make appropriate adjustments to this method to get the same effect.
To show how it works for me, I'll apply it to a really difficult problem: establishing a Mars colony. I have no expertise in that area, so it's unlikely that any conclusions I develop here will be useful for the Mars colony problem. What follows is just an illustration of Right-To-Left Thinking.
- Begin with the objective
- Begin by imagining that we've reached the objective already, and write down a representation of the objective on the ?right-hand? edge of a big sheet of paper (or whatever surface you're using), in words or sketches. Try to capture some of the properties of the objective, even if we don't yet know how to reach it, focusing on some of the most difficult parts of the problem.
- For the Mars Colony, three of the more difficult problems are oxygen supply, water supply, and protection from radiation. They're difficult because they probably involve large masses of material, and transporting those masses from Earth is impractical.
- Develop some pre-objectives
- With the objective in mind,Begin by imagining that we've
reached the objective already, and
ask, "How would we have solved it?" ask, "If we could reach the objective, what would we have accomplished or obtained to get there?" It might include material things, or concepts or knowedge we now lack. These items are our pre-objectives. Write them all down just to the ?left? of where we wrote the properties of the objective. (That's why I call this method "Right-To-Left Thinking")
- For the Mars Colony, if we can't send water and oxygen from Earth, we'll have to find them or produce them on Mars. We do know that subsurface ice is present. We can break down that water to harvest oxygen. Martian soil can provide radiation shielding, either as a layer on top of colonial structures, or by excavating to build structures under the surface. Caves or lava tubes are also possibilities.
Next time, we'll continue developing pre-objectives, and turn our attention to the other edge of the paper where we begin working on the starting point of the problem solution. Next in this series Top Next Issue
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More articles on Problem Solving and Creativity:
- Finger Puzzles and "Common Sense"
- Working on complex projects, we often face a choice between "just do it" and "wait, let's
think this through first." Choosing to just do it can seem to be the shortest path to the goal,
but it rarely is. It's an example of a Finger Puzzle.
- Working Lunches
- To save time, or to find a time everyone has free, we sometimes meet during lunch. It seems like a good
idea, but there are some hidden costs.
- The Solving Lamp Is Lit
- We waste a lot of time finding solutions before we understand the problem. And sometimes, we start solving
before everyone is even aware of the problem. Here's how to prevent premature solution.
- The Questions Not Asked
- Often, the path to forward progress is open and waiting, but we don't recognize it, or we convince ourselves
it isn't there. Learning to see what we believe isn't there is difficult. Here are some reasons why.
- Virtual Teams Need Generous Travel Budgets
- Although virtual team members who happen to be co-located do meet from time to time, meetings of people
who reside at different sites are often severely restricted by tight or non-existent travel budgets.
Such restrictions, intended to save money, can contribute to expensive delays and errors.
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- And on October 25: Workplace Memes
- Some patterns of workplace society reduce organizational effectiveness in ways that often escape our notice. Here are five examples. Available here and by RSS on October 25.
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