Optics: : [op-tiks] - noun. A branch of physics that studies electromagnetic radiation (for example, light and infrared radiation), its interactions with matter, and instruments used to gather information due to these interactions.Optics includes the study of sight. branch of physics that studies electromagnetic radiation (for example, light and infrared radiation), its interactions with matter, and instruments used to gather information due to these interactions.
By 1924, the National Flag Conference, under the leadership of the American Legion and the Daughters of the American Revolution, changed the Pledge's words, 'my Flag,' to 'the Flag of the United States of America.'
THE PLEDGE OF ALLEGIANCE IN ASL. This is a clip from We Sign Patriotic DVD. This video is used extensively in schools, libraries, churches and households. There are 13 different DVD titles in the We Sign Series. http://wesign.com/product-info/asl-si... 1  Education. 2  Standard YouTube License.