If there is one thing I have learned from a life lived on the internet, it is that being sent into a spiral of existential dread can come from the unlikeliest of places. And what could be more unlikely than wondering about the dire prospects of humankind through the prism of the Big Light? That’s right, the lightbulb in the middle of the ceiling, the main light, the one operated from the wall switch that you instinctively feel around for when you enter a room. If

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