sound waves cause air particles to vibrate back and forth ripples cause water particles to vibrate up and down Waves cause a disturbance of the medium through which they travel. This allows them ...

For the first time, physicists have been able to measure the geometrical 'shape' a lone electron adopts as it moves through a solid. It's an achievement that will unlock a whole new way of studying ...

propagation of electro-magnetic waves along periodic circuits and filtering properties of such systems.