- Young's Modulus
- From Eric Weisstein's World of Physics, the page considers Young's modulus in the context of elasticity theory.
- Thermal Expansion
- From the thermodynamics part of the HyperPhysics website based at Georgia State University. Includes a section on bimetallic strips, with a video clip of a bimetallic strip being dipped into liquid nitrogen.
- Bimetallic Strip Thermometers
- From the howstuffworks website.