Learn how to make waves of all different shapes by adding up sines or cosines. Make waves in space and time and measure their wavelengths and periods. See how changing the amplitudes of different harmonics changes the...

This resource from Johns Hopkins University has audio and interactive components. Various forms of the Fourier series description for periodic signals are based on alternate ways of writing a cosine signal. This resource...

This National Aeronautics and Space Administration (NASA) feature presents a discussion with country music star Clint Black describing how both a guitar and the space shuttle rocket and spacecraft resonate. The air...

This webpage, from Hyperphysics, describes a pendulum and provides a formula for its period. The page includes a calculator to obtain the period from the pendulum's length and the acceleration of gravity.

This web site is the home of Light and Matter Physics, a series of introductory textbooks available online for no cost. There are six main textbooks covering Newtonian Physics, Conservation Laws, Vibrations and Waves,...