Amazing Water Trick and the Science Behind It...
[http://www.youtube.com/watch?v=G303o8pJzls]YouTub... ...LinkThe arrow seen here appears to reverse due to refracted light . The light must travel through the air, glass, water, back o... ...through the air before landing on the arrow. When light passes from one material int...
https://www.neatorama.com/2014/09/14/Amazing-Water-Trick-and-the-Science-Behind-It/
