<img width="640" height="923" src="http://www.cooperhewitt.org/wp-content/uploads/2017/02/1971-92-1-ab-700x1010.jpg" class="attachment-large size-large wp-post-image" alt="" style="display: block; margin-bottom: 5px; clear:both;max-width: 100%;" srcset="http://uh8yh30l48rpize52xh0q1o6i.wpengine.netdna-cdn.com/wp-content/uploads/2017/02/1971-92-1-ab-700x1010.jpg 700w, http://uh8yh30l48rpize52xh0q1o6i.wpengine.netdna-cdn.com/wp-content/uploads/2017/02/1971-92-1-ab-208x300.jpg 208w, http://uh8yh30l48rpize52xh0q1o6i.wpengine.netdna-cdn.com/wp-content/uploads/2017/02/1971-92-1-ab-163x235.jpg 163w, http://uh8yh30l48rpize52xh0q1o6i.wpengine.netdna-cdn.com/wp-content/uploads/2017/02/1971-92-1-ab.jpg 710w" sizes="(max-width: 640px) 100vw, 640px" data-attachment-id="23687" data-permalink="http://www.cooperhewitt.org/2017/02/23/shaken-or-stirred/1971-92-1-ab/" data-orig-file="http://www.cooperhewitt.org/wp-content/uploads/2017/02/1971-92-1-ab.jpg" data-orig-size="710,1024" data-comments-opened="1" data-image-meta="{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}" data-image-title="1971-92-1-a,b" data-image-description="" data-medium-file="http://www.cooperhewitt.org/wp-content/uploads/2017/02/1971-92-1-ab-208x300.jpg" data-large-file="http://www.cooperhewitt.org/wp-content/uploads/2017/02/1971-92-1-ab-700x1010.jpg" />In a scene from the 1934 film, The Thin Man, retired detective Nick Charles (William Powell) demonstrates to a group of bartenders the skills needed to shake a good cocktail. While vehemently shaking a cocktail shaker with one hand, he says to them, “See, the important thing is the rhythm, always have rhythm in your...