Wavelength is defined, and students use the wave equation to solve problems. Wavelength is defined, and students use the wave equation to solve problems. Reflection is described at boundaries of ...

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The interface between two facets of an artificial material known as a “Weyl phononic crystal” can not only negatively refract an airborne sound wave, it does so without reflecting it at all. This ...

While the concept of time travel has long captured public imagination, modern physics actually approaches time in a much more subtle manner. Instead o.

Introduction to electromagnetic waves in electrical engineering. Topics include: concepts of transmission lines, electrostatics and magnetostatics; Maxwell's equations for time-varying fields; ...