Here's what happen when you record high-quality video on a high-speed train as it glides through a station, and then slow it down. Notice how sometimes you can see people moving, slightly. It was recorded in Bath, England, and you can read more about it here.
Dot Dot Dot is Morse code for the letter 'S,' the full message Guglielmo Marconi claimed to have received atop Signal Hill in St. John's in 1901. It ushered in the age of telecommunications. My maternal grandfather worked as a telegraph operator for Canadian Marconi on Signal Hill for many years.
As well, I have a habit of overusing the ellipsis when I write ... as frequent readers might notice.