Thermal motion of the charged particles in matter causes electromagnetic radiation, called thermal radiation from its cause, though it is no different from other electromagnetic radiation. This implies that matter will also absorb electromagnetic radiation.
Leaning on the Everlasting Arms. Leaning on the Everlasting Arms is a hymn published in 1887 with music by Anthony J. Showalter and lyrics by Showalter and Elisha Hoffman. Showalter said that he received letters from two of his former pupils saying that their wives had died.
Hand Over Heart. When the anthem plays, a U.S. citizen should rise from his seat, stand at attention, face the flag and place his right hand over his heart.This etiquette also applies to children who are old enough to stand on their own.ave. âThe Star-Spangled Bannerâ has been recognized as the U.S. national anthem since 1931. U.S. Code Â§ 301 addresses the proper etiquette for U.S. citizens to follow when the anthem plays.