ripples on the surface of water vibrations in a guitar string a Mexican wave in a sports stadium electromagnetic waves - eg light waves, microwaves, radio waves seismic S-waves ...

We see them at the beach. They’re behind every sound and light show and the miracle of Wi-Fi. And now, thanks to what’s being called the discovery of the century, they have opened a way of detecting ...

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 to ...