Heat Detection Approach

A composite cantilever behaves bimetallically because it is made out of several layers of different materials with different mechanical and thermal properties (Young's modulus, E; and the expansion coefficient, a). This behavior means that every change in the state of a cantilever's layer can induce the entire cantilever to bend. The simplest use of this property is heat detection and, for uniform heating of a two-layered cantilever, the deflection of the cantilever, z, is described as follows (Marie 2002):

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Brain Blaster

Brain Blaster

Have you ever been envious of people who seem to have no end of clever ideas, who are able to think quickly in any situation, or who seem to have flawless memories? Could it be that they're just born smarter or quicker than the rest of us? Or are there some secrets that they might know that we don't?

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