And since employment is spread across this time structure with relatively few working in final retail stage, savings and investment changes have dramatic impacts on employment.

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When light passes through, it behaves as a dimension of time, with the cobalt structure providing the foundation for two dimensions in space.

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What's particularly "astonishing" he says, is how precisely the baby responds - in coos and gestures - often exactly in time with the pulse and bar structure of her sounds.

BBC: The universal language of lullabies

Paul Andreu designed the first terminal at Charles de Gaulle, north of Paris, as a doughnut-shaped structure with glass tubes crossing through the middle, but when it came time to expand the airport, in the nineteen-eighties, only a few years after the first part was finished, his futuristic form seemed more like a cartoon than like a functional building, and more conventional terminals were ordered up.

NEWYORKER: Situation Terminal