This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Part of an exhibit at the Pacific Science Center. en Part of an exhibit at the Pacific Science Center in Seattle Washington showing an information marker describing the exhibit and the phenomenon described on the marker own Ksstm ImageNote Tracks described in the text ImageNoteEnd Pacific Science Center