<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><font size="4"><a href="https://www.youtube.com/watch?v=QwXK4e4uqXY">Making a GOOGOL:1 Reduction with Lego Gears</a><br></font></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><font size="4"><br></font></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><font size="4">John K Clark</font></div></div>