Looking at the rapidly flickering LED image I imagined an engineer showing the data to his manager, "well, a real candle looks like this: kind of sedate and bor

Looking at the rapidly flickering LED image I imagined an engineer showing the data to his manager, "well, a real candle looks like this: kind of sedate and boring." Followed by the manager insisting that it gets a little livelier, saying something like, "if people can't see it flickering they'll thing it's broken. Make it very obvious that it flickers. I don't care if it looks real. I care that people can tell it's flickering"