The Shepherd's VoiceHave you ever had an experience where you believe God spoke to you?
Top Christian Music Videos
Cavitation at Glen Canyon Dam
Clip from Awesome Science "Explore the Grand Canyon" episode where host Noah talks about the erosional process of "cavitation" at Glenn Canyon Dam, where solid rock was quickly cut with high pressure water and quick flow. He then compares this to the massive flow of water which cut the Grand Canyon quickly.