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Jupiter Accelerates Electrons to Near-Light Speed, Offering Clues to Cosmic Ray Origins

As planets and stars travel through the streams of charged particles flowing across space, their magnetic fields act like obstacles; incoming particles are slowed and deflected, forming a boundary called the bow shock; just ahead of this boundary lies the foreshock, a variable region where magnetic conditions can accelerate some particles to nearly the speed of light. Image credit: Ben C. Smith, Johns Hopkins Applied Physics Laboratory.

The giant planet’s bow shock isn’t just deflecting the solar wind, it’s acting as a powerful particle accelerator, firing electrons to relativistic energies of at least 1 MeV, according to a new analysis of data from NASA’s Juno spacecraft.

The post Jupiter Accelerates Electrons to Near-Light Speed, Offering Clues to Cosmic Ray Origins appeared first on Sci.News: Breaking Science News.

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Tesla pushes Roadster demo to August as SpaceX thruster work continues

Tesla has pushed the planned public demo of its next-generation Roadster to August or later, according to a report from The Information citing four people with knowledge of the program. It marks yet another delay for the vehicle first unveiled as a prototype nearly nine years ago.

The demo, expected to take place in Texas, is meant to showcase the SpaceX cold gas thruster system that Tesla claims will allow the Roadster to achieve extreme acceleration and even lift off the ground.

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Votre futur PC pourrait vous obéir comme R2-D2 : Nvidia dévoile RTX Spark et sa vision pour l’ordinateur du futur

Au Computex, Jensen Huang n’est pas seulement venu présenter une nouvelle puce ARM pour Windows. À travers RTX Spark, le patron de Nvidia dessine surtout une vision beaucoup plus ambitieuse de l’avenir du PC, qui serait destiné à devenir comme R2-D2.

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The World Praised This Wolverine Program. Then Everything Changed

Wild Wolverine Close UpSweden’s celebrated wolverine recovery program is losing momentum, raising concerns about the future of one of the world’s most famous conservation success stories. A conservation program once praised as a global model for helping people and wildlife coexist may be losing its effectiveness because of decades of inadequate government support, according to new research. In [...]
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Amazon investe mais de 10 mil milhões de euros em robótica e IA para se modernizar e expandir na Europa

No evento "Delivering the Future" em Londres, a Amazon revelou a nova geração do robot Proteus, um investimento de mais de dez mil milhões de euros na Europa, entregas ultra-rápidas a expandir para mais cidades e um programa de formação global sem precedentes.

The post Amazon investe mais de 10 mil milhões de euros em robótica e IA para se modernizar e expandir na Europa appeared first on Tek Notícias.

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Maintenir une connexion rapide même à l’étranger : ExpressVPN évite les ralentissements

Voyager avec une connexion qui ralentit au mauvais moment reste l’un des petits irritants modernes. Entre le Wi-Fi d’hôtel capricieux, les réseaux publics saturés et les usages gourmands comme la vidéo ou le partage de fichiers, un VPN mal optimisé peut vite devenir un frein. ExpressVPN met...

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Portugueses perdem mais de 800 euros em fraudes nas apps de mensagens. IA está a tornar as burlas mais realistas

De acordo com os investigadores da Kaspersky, o WhatsApp, o Facebook e os SMS estão entre os principais canais usados pelos cibercriminosos, que recorrem cada vez mais à IA para tornar as burlas mais credíveis e difíceis de detetar.

The post Portugueses perdem mais de 800 euros em fraudes nas apps de mensagens. IA está a tornar as burlas mais realistas appeared first on Tek Notícias.

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“Temos a solução para as empresas criarem as infraestruturas para a nova onda de Inteligência Artificial”

Nate Snow, diretor da unidade de negócio da Asus, diz que empresas procuram cada vez mais soluções combinadas entre hardware e software que permitam implementar inteligência artificial de forma prática e segura, reduzindo custos de utilização de tokens e com facilidade para escalar o negócio.

The post “Temos a solução para as empresas criarem as infraestruturas para a nova onda de Inteligência Artificial” appeared first on Tek Notícias.

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Vie privée exposée en ligne : Surfshark réduit les traces numériques dès 1,99 € par mois

Les données personnelles circulent vite, parfois trop vite. Une adresse e-mail donnée sur un site marchand, une connexion Wi-Fi publique, des publicités qui suivent chaque recherche : la navigation laisse derrière elle une quantité de signaux difficiles à maîtriser. Surfshark remet son VPN en...

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The Sky This Week from June 5 to 12: Jupiter and Venus meet

Friday, June 5Standing some 50° high in the south by 10 P.M. local daylight time, M5 is a fabulous globular cluster well within the reach of any instrument, from binoculars to telescopes. It is even visible to some observers without optical aid at all on a clear, dark night, so if your southern horizon isContinue reading "The Sky This Week from June 5 to 12: Jupiter and Venus meet"

The post The Sky This Week from June 5 to 12: Jupiter and Venus meet appeared first on Astronomy Magazine.

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