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<div id="divRpF788455" style="direction: ltr;"><span style="font-size: 13.3333px; font-family: Tahoma;">Dear all in Physics and Astronomy,</span></div>
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<div style="font-size:13.3333px">We do not meet this week Thursday. Instead, we have a YouTube presentation below.</div>
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<div style="font-size:13.3333px"><font face="Segoe UI,Helvetica,Arial,sans-serif" size="3">PHYS-401/501 students must complete an assignment (submitting a summary report) on D2L when there is no in-person meeting on a week.</font></div>
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<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><a href="https://youtu.be/KH5Yd9yyCwI" style="text-decoration:none;"><span style="font-size:12pt;font-family:Arial;color:#1155cc;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;-webkit-text-decoration-skip:none;text-decoration-skip-ink:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;">https://youtu.be/KH5Yd9yyCwI</span></a></p>
<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size: 12pt; font-family: Arial; color: rgb(0, 0, 0); background-color: transparent; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><b>Time,
 Einstein, and the Coolest Stuff in the Universe</b></span></p>
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 National Institute of Standards and Technology (NIST)</span></p>
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</b></p>
<p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt;"><span style="font-size:12pt;font-family:Arial;color:#000000;background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline;white-space:pre;white-space:pre-wrap;">NIST
 Nobel laureate Bill Phillips talks to students about how to use laser light to make the world's best clocks.  The lasers cool a gas of cesium to near absolute zero for ultra accurate measures of the atoms' vibrations or "ticks."</span></p>
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<font color="#000080" size="2"><b>_____________________________________</b></font></div>
<div style="font-size:medium; font-family:'Segoe UI',Helvetica,Arial,sans-serif">
<font color="#000080" size="2"><b>Heungman Park, Ph.D.</b></font></div>
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<font color="#444444" size="1"><span style="font-size:11px"><b>Assistant Professor</b></span></font><font color="#444444" size="1"><span style="font-size:11px"><br>
Department of Physics & Astronomy</span></font><font color="#444444" size="1"><span style="font-size:11px"><br>
Texas A&M University-Commerce</span></font><font color="#444444" size="1"><span style="font-size:11px"><br>
Commerce, TX 75429, USA</span></font></div>
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