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 ...

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 ...

How do gravity waves affect mass? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world. Answer by Kirsten Hacker, ...