A research team at City University of Hong Kong (CityU) has discovered a new type of sound wave: the airborne sound wave vibrates transversely and carries both rotation and orbital angular momentum ...

The study of earthquakes called Seismology, relies on the fact that different materials within the Earth react differently to ...

Earthquakes release waves of energy called seismic waves. They travel through the interior and near the surface of the Earth. P-waves, or primary waves, are the fastest moving type of wave and the ...

sound waves cause air particles to vibrate back and forth; ripples cause water particles to vibrate up and down. A longitudinal wave is one in which the vibrations of the particles are parallel to the ...