The twinkling stars above the passengers gradually fade away as the night sky lightens and the sun begins to rise. It is an illusion, as it has long been daylight outside. But the projected image has a purpose: gently to awaken those on board and help their body clocks adjust to a new time zone. As the airliner begins its descent to New York, the ceiling and walls turn transparent to provide a panoramic view of the Manhattan skyline. And on lining up to a runway, the aircraft's seats automatically change shape, becoming more upright and firm to provide additional support for the landing. Welcome to jfk airport, sometime in 2050.
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