Pourquoi voit-on à travers une vitre ?

Pourquoi voit-on à travers une vitre ?

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Pourquoi les objets se brisent-ils de la même façon ?

Lorsqu’un objet se brise, notre impression immédiate est celle du chaos : des morceaux de tailles variées, projetés dans toutes les directions, sans logique apparente. Pourtant, qu’il s’agisse d’un verre qui éclate, d’un sucre que l’on écrase ou d’une bulle de savon qui disparaît ...  Show more

Où Dieu se trouve-t-il dans l'Univers ?

La question « Où se trouve Dieu dans l’Univers ? » traverse l’histoire humaine depuis des millénaires. Religieuse, philosophique, mais aussi scientifique, elle touche à notre besoin profond de situer l’infini dans un cadre compréhensible. Récemment, un ancien physicien de Harvard ...  Show more

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The Electron
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Melvyn Bragg and guests discuss an atomic particle that's become inseparable from modernity. JJ Thomson discovered the electron 125 years ago, so revealing that atoms, supposedly the smallest things, were made of even smaller things. He pictured them inside an atomic ball like a ...  Show more

The Science of Glass
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While glass items have been made for at least 5,000 years, scientists are yet to explain, conclusively, what happens when the substance it's made from moves from a molten state to its hard, transparent phase. It is said to be one of the great unsolved problems in physics. While a ...  Show more

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