(* Content-type: application/mathematica *) (*** Wolfram Notebook File ***) (* http://www.wolfram.com/nb *) (* CreatedBy='Mathematica 7.0' *) (*CacheID: 234*) (* Internal cache information: NotebookFileLineBreakTest NotebookFileLineBreakTest NotebookDataPosition[ 145, 7] NotebookDataLength[ 39226, 827] NotebookOptionsPosition[ 22514, 525] NotebookOutlinePosition[ 39082, 822] CellTagsIndexPosition[ 39039, 819] WindowFrame->Normal*) (* Beginning of Notebook Content *) Notebook[{ Cell[TextData[StyleBox["Transverse waves through a lattice", "Subtitle"]], \ "Input", CellChangeTimes->{{3.485777145263275*^9, 3.485777182890541*^9}, { 3.4857772760695047`*^9, 3.4857772996411457`*^9}, {3.485886443662616*^9, 3.4858864448170176`*^9}, {3.4859077213270044`*^9, 3.485907746053048*^9}}], Cell[TextData[{ "The animation shows a transverse wave moving through a lattice of \"atoms\" \ that move up and down as the wave moves to the left or right. 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