There are no specific visual or auditory phenomena associated with time travel. But my father was concerned that the early adopters of the technology would feel let down if there wasn’t some sort of razzmatazz. It was scientifically pointless, pure showmanship. As if just going back in time wouldn’t be cool enough for the high-end consumers my father’s financiers planned to attract. So, a team of psychologists was commissioned to figure out how to make people feel emotionally engaged with the experience, and what they came up with was a melodious hum and a softly oscillating glow of warm
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