We compare and contrast closed-ended, open-ended, and closed-on-one-end tubes. In this Closer Look segment on Standing Waves, we compare and contrast closed-ended, open-ended, and closed-on-one-end ...

Refraction is described and students learn to draw diagrams of refracted waves. Refraction is described and students learn to draw diagrams of refracted waves. They also learn to describe diffraction ...

Physicists at the University of Southampton have tested and proven a 50 year old theory for the first time using electro-magnetic waves. They have shown that the energy of waves can be increased by ...