{QTtext}{font:Geneva}{plain}{size:18}{textColor: 0, 0, 65535}{backColor: 59110, 54227, 43947}{justify:center}{timeScale:600}{width:640}{height:480}{timeStamps:absolute}{language:0}{textEncoding:0} [00:00:00.000] {textBox: 0, 0, 480, 640}{size:16}{justify:right}KITP Blackboard Lunch, 14 Oct 2013 12:15 {justify:center}{textColor: 65535, 0, 0}{size:24} The physics of wind-blown sand and desert dunes {size:20}Jim Jenkins, Cornell & KITP [00:00:10.000]