The edge of our existence: A particle physicist examines the architecture of society

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Highlights
- Sometimes, walls do not appear in clay or concrete. They take shape through uniformed officers and flashing blue lights, through property deeds and zoning policy, through food deserts and underfunded public schools.
- The boundaries and hierarchies on Earth cast their long shadows on the final frontier. Beneath the futuristic visuals is the same old narrative of nationalism, militarism, and capitalism.
- The face of our planet is shifting. We are all becoming displaced. It starts at the margins: The most vulnerable are the first to feel its impact. The way we respond to their plight will determine our own fate. If we cling to old ideas of citizenship and creed, if we use the pretense of scarcity to justify our bigotry, if we let migrants drown at sea and refugees languish in camps, it won’t be long until we realize that we too do not belong anywhere. If we are determined to shape our identity through the destruction of a collective other, we are only ensuring our mutual demise.