Catégorie : Sciences exactes

Qui était Emmy Noether, qu’Einstein considérait comme une « génie des mathématiques » ?

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Si l’on vous dit que ses découvertes ont eu un impact considérable en physique théorique, qu’elles ont permis de reconsidérer en profondeur notre compréhension des rapports intimes entre l’espace, le temps et l’énergie, à qui pensez-vous ? Un autre indice : Einstein…

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Soft, stretchy ‘jelly batteries’ inspired by electric eels

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Researchers have developed soft, stretchable ‘jelly batteries’ that could be used for wearable devices or soft robotics, or even implanted in the brain to deliver drugs or treat conditions such as epilepsy. The researchers, from the University of Cambridge, took…

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New aerospace and building materials could repair themselves thanks to fungi and bacteria

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EU-funded researchers are using biological matter to create unique new materials that can adapt to their environment and repair themselves. The science fiction writer Arthur C. Clarke famously said that ‘any sufficiently advanced technology is indistinguishable from magic.’ For Dr…

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We need to consider alternatives to dark matter that better explain cosmological observations

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Do constants of nature — the numbers that determine how things behave, like the speed of light — change over time as the universe expands? Does light get a little tired travelling vast cosmic distances? It was believed that dark…

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