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

Earth's atmosphere is much more sensitive to ripples of radiation from the sun than scientists previously believed, new ...

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 ...