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• OpenAI está desarrollando un smartphone cuyo inicio de producción está previsto para 2028, en el que agentes de IA reemplazarán por completo las aplicaciones tradicionales para los consumidores de EE. UU. • El dispositivo enfrenta posibles obstáculos debido a la escasez global de memoria que podría retrasar o descarrilar el lanzamiento. • Este avance podría irrumpir en los ecosistemas móviles dominados por Google y Apple, redefiniendo las interfaces de usuario.

El jefe del departamento de policía del District of Columbia afirmó que los investigadores creen que el sospechoso era un huésped del hotel Washington Hilton, donde se llevaba a cabo la cena anual, aunque no se ha determinado el motivo.

• MIT scientists unveiled a new quantum computing design achieving stable operation of 1,024 qubits simultaneously, surpassing previous records and demonstrating significant error correction capabilities reported on April 21. • The innovation uses a novel topological qubit design with error rates of 0.1% per operation, enabling computations previously impossible due to quantum decoherence, according to research published in Physical Review Letters. • The breakthrough could accelerate commercial quantum computing applications in drug discovery, materials science, and optimization problems within 2-3 years, researchers said.

• Researchers at the University of Washington created an artificial photosynthesis prototype converting sunlight directly into storable chemical fuels with 13% efficiency, surpassing previous laboratory records of 8-10%. • The system uses engineered nanostructures and novel catalysts to split water and fix carbon dioxide, producing methanol as a liquid fuel suitable for existing energy infrastructure, detailed in Nature Energy on April 21. • The breakthrough could enable large-scale production of carbon-neutral synthetic fuels without competing for agricultural land, addressing both climate and energy security challenges.

• Meta released Llama 4 on April 20, 2026, a 2 trillion parameter multimodal AI model trained on 15 petabytes of US-centric data. • The model outperforms GPT-4o on benchmarks like MMLU (92% score) and supports vision-language tasks for enterprise apps. • Open-sourcing aims to spur US AI innovation, with downloads exceeding 500,000 in first hours via Hugging Face.

• Brookhaven National Laboratory researchers created superconducting quantum interference devices (SQUIDs) using transition metal silicides, compatible with silicon manufacturing processes. • The technique adapts standard electronics methods, marking a milestone for scalable quantum systems on April 14, 2026. • This bridges gaps in quantum computing hardware by enabling integration with existing semiconductor fabs.

Engine-maker CEO hails ‘critical milestone’ for company in race to deliver SMR technology built at Wylfa plant on Anglesey Business live – latest updatesRolls-Royce has secured up to £599m from Britain’s national wealth fund as it races to develop the UK’s first small modular nuclear reactors.The fund will help support Rolls-Royce’s design of small modular reactors (SMRs) at Wylfa on the island of Anglesey (called Ynys Môn in Welsh). Continue reading...