Auteur/autrice : S & T

Electronics made of wood and paper

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To develop eco-friendly electronics such as sensors and circuit boards, Dr Valerio Beni is following the paper trail – literally. An expert in green chemistry at Swedish research institute RISE, Beni has switched his focus to wood from pulp in…

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What’s going on in our brains when we plan?

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Study uncovers how the brain simulates possible future actions by drawing from our stored memories. In pausing to think before making an important decision, we may imagine the potential outcomes of different choices we could make. While this ‘mental simulation’…

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Hydrogen, the net-zero hero?

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Green hydrogen could transform our energy system and solve many supply and emissions challenges. Whether this happens will depend on how economically it can be produced and attractive it will be to consumers. Among the promising technologies for powering a…

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Cinq beaux dés

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Un lancer de cinq dés donne les nombres 1, 3, 4, 5 et 6. i) En combinant les nombres à l’aide de +, -, x et ÷, quel est le résultat le plus proche de l’objectif de 55 ? ii)…

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