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TRIZ Principle 37: Thermal Expansion

TRIZ, the theory of inventive problem solving, is often cited as the next evolutionary step in creating an organized and systematic approach to problem-solving. And while it may seem like a complex concept, one of the key principles of TRIZ is actually quite simple: thermal expansion. When you heat things up, they usually expand at different rates. This can be used to solve problems or create new ones. The bimetallic strip is a perfect example. By connecting two metal strips that expanding at different rates, you create a device that bends when heated. This principle forms the basis of many thermostats and thermometers. So next time you're struggling to solve a problem, think about how you can use thermal expansion to your advantage. It just might be the answer you're looking for.

When you heat things up, they usually expand at different rates. This can be used to solve problems or create new ones. The bimetallic strip is a perfect example.

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