Secondary gravity waves are ripples in the atmosphere created when primary gravity waves, like those triggered by a volcanic ...

Photoshop CC 2021 tutorial showing how to create the look of a gentle, rippled reflection on a clear, calm lake or spring.

Photoshop CS6 tutorial showing how to add a realistic, rippling, water reflection to a photo. The reflection will ripple out from it's center as if you dropped a pebble into a lake or pond. Tree: <a ...

New research shows the blast triggered secondary gravity waves that rattled the upper atmosphere, where satellites orbit.