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    These simulations are actually part of a couple of tutorials for ch
    6.  You will<br>
    use one of these for a future lab (EMS).  They are from the PhET
    website,<br>
    <a moz-do-not-send="true"
      href="https://phet.colorado.edu/en/simulations/category/chemistry">https://phet.colorado.edu/en/simulations/category/chemistry</a><br>
    <a moz-do-not-send="true"
      href="https://phet.colorado.edu/en/simulations/category/physics">https://phet.colorado.edu/en/simulations/category/physics</a><br>
    <br>
    <br>
    <a moz-do-not-send="true"
      href="https://phet.colorado.edu/en/simulation/blackbody-spectrum">Blackbody
      Spectrum</a><br>
    <a moz-do-not-send="true"
      href="https://phet.colorado.edu/en/simulation/wave-on-a-string">Wave
      on a String</a><br>
    <a moz-do-not-send="true"
      href="https://phet.colorado.edu/en/simulation/legacy/photoelectric">Photoelectric
      Effect</a><br>
    <a moz-do-not-send="true"
      href="https://phet.colorado.edu/en/simulation/legacy/hydrogen-atom">Models
      of the Hydrogen Atom</a><br>
    <br>
    Some of these need Java (hydrogen atom, photoelectric effect).<br>
    <br>
    The following is from the authors of the programs if you are having
    problems<br>
    getting it to work.<br>
    <p class=""><b><font color="#ff0000">Troubleshooting PhET
          simulations</font>:<br>
      </b>If there is trouble with a simulation it is probably related
      to Java.   Brand new<br>
      laptops won't have Java installed yet if the student got their
      computer recently<br>
      and hasn't needed to use Java for anything else online, they just
      might not<br>
      have installed it.  Instructions for installing Java can be found
      here (the<br>
      installation is very easy):</p>
    <p class=""><a
href="https://exchange.asc.ohio-state.edu/owa/redir.aspx?C=pZ773i6dyE2ih0APpvrn0-9R1ni3jNAI63CI15ZhQ5r38EkpBIbwqOzD96bogtL4Xd8BYsabgns.&URL=http%3a%2f%2fwww.java.com%2fen%2fdownload%2fhelp%2fwindows_manual_download.xml"><span
          style="color:rgb(0,37,229)"></span></a><a
        class="moz-txt-link-freetext"
        href="http://www.java.com/en/download/help/windows_manual_download.xml">http://www.java.com/en/download/help/windows_manual_download.xml</a></p>
    <br>
    <b><font color="#ff0000">Apple Products</font>:</b><br>
    Sometimes people have trouble with Apple products.  Since I don't
    have one <br>
    I can't give you specific instructions, but you have to change your
    security <br>
    settings to allow the download of Java and the simulation.  You need
    to tell <br>
    your Apple product to allow programs to download and run which don't
    come <br>
    directly from the Apple Store.   Also, I know the simulation works
    using Firefox<br>
    or Chrome.  I can't say if it works correctly using Safari or other
    browsers<br>
    <br>
    This will <b><font color="#ff0000">NOT</font></b> work on an <b><font
        color="#ff0000">iPad</font></b>.<br>
    <br>
    Dr. Zellmer<br>
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