<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> </head> <body><div class="auto-created-dir-div" dir="auto" style="unicode-bidi: embed;"><style>p{margin:0}</style><p><br></p><p>Philip Earis wrote:</p><p><br></p><p><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;">> Even more relevant, the same presenter will be giving a further lecture</span><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;">> in the same series at 1pm of Tuesday 5 January 2021, on 'The Mathematics</span><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;">> of Bell Ringing'. See</span><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;">> <a target="_blank" href="https://www.gresham.ac.uk/lectures-and-events/maths-bellringing" style="font-family: OpenSans-webfont; font-size: 16px;">https://www.gresham.ac.uk/lectures-and-events/maths-bellringing</a><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;"> . Here,</span><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;">> "This lecture will look at change ringing, which is ringing a series of</span><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;">> tuned bells (as you might find in the bell tower of a church) in a</span><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;">> particular sequence, and this has exciting mathematical properties. We</span><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;">> will also ask: why are bells bell-shaped? What properties of this shape</span><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;">> create the sound of a bell, and by what amount should we scale the size</span><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;">> of a bell to produce changes in pitch?"</span><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><br style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px;"><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;">> Has anyone interacted with Prof Hart before?</span><br></p><p><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;"><br></span></p><p><span style="color: rgb(51, 51, 51); display: inline !important;">I'm also curious to know who she's collaborated with in the wonderful world of ringing theory, so have emailed her to ask.</span></p><p><span style="color: rgb(51, 51, 51); display: inline !important;"><br></span></p><p><span style="color: rgb(51, 51, 51); display: inline !important;">Alex.</span></p><p><span style="color: rgb(51, 51, 51); font-family: OpenSans-webfont; font-size: 16px; display: inline !important;"><br></span></p></div></body></html>