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"Live" appearance of Beatles material (etc): I presume this is something to do with how, although each particular point on the screen does not actually update more often than 25 times per second, the actual update rate from pixel to pixel is somewhere in the millions? And in the thousands of times per second when each individual line is considered? With the eye not noticing any "tearing" type effects that might occur when an LCD shows each field whole and instantly updated every 1/50th of a second, because the slight movement of an object on screen actually does happen in real-time... e.g. if a close-up camera is sweeping across the band quickly enough that John's chin at 3/4 the way down a field is significantly displaced compared to the top of his head 1/4 the way down (and both are then further displaced but again not in line with each other in the next field), this would still look smooth and natural as the beam would have taken another 1/100th of a second to progress down that portion of the display, and the eye would just-about be capable of determining that the chin 1/8th of the horizontal distance across the screen was being shown later than the mop-top that was 1/4 the way across? Along with, of course, the significant motion blurring and flaring that image capture tubes of the time would suffer from... 193.63.174.211 (talk) 09:51, 26 October 2012 (UTC)[reply]
