02: TAKING OUT
Taking Out is the practice of removing, separating, or extracting the part (or property) of a system that causes harm, interference, cost, or complexity—while keeping the useful function. In TRIZ it's powerful because many contradictions disappear once the 'disturbing element' is physically or functionally separated from the system.
This principle is expressed in three common moves:
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Extract the disturbing part or property from an object (remove the "bad actor")
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Extract only the necessary part or property (keep the benefit, remove the burden)
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Why "Taking Out" creates innovation?
When you remove or isolate the interfering element, you unlock multiple benefits at the same time:
1.
Eliminates the contradiction at its source: instead of "reduce noise but keep cooling," you keep cooling and move the noise away.
2.
Improves safety and comfort: remove heat, vibration, toxicity, glare, smoke, or dangerous motion from the user zone.
3.
Boosts performance where it matters: isolate the high-energy or high-temperature source, and deliver only the useful output (light, sound, force) to the point of use.
4.
Enables remote/virtual solutions: keep the effect without the object (e.g., "barking sound" without the dog).