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  1. Hace 22 horas · Un extrabajador de OpenAI que firmó esta semana u na carta junto con otros empleados de la empresa creadora de ChatGPT para denunciar la opacidad sobre los posibles riesgos de la inteligencia ...

  2. en.wikipedia.org › wiki › ShinkansenShinkansen - Wikipedia

    Hace 22 horas · Etymology. Shinkansen (新幹線) in Japanese means 'new trunk line' or 'new main line', but this word is used to describe both the railway lines the trains run on and the trains themselves. In English, the trains are also known as the bullet train. The term bullet train (弾丸列車, dangan ressha) originates from 1939, and was the initial name given to the Shinkansen project in its earliest ...

  3. Hace 22 horas · The high-speed rail (HSR) network in the People's Republic of China (PRC) is the world's longest and most extensively used – with a total length of 45,000 kilometres (28,000 mi) by the end of 2023. The HSR network encompasses newly built rail lines with a design speed of 200–380 km/h (120–240 mph). China's HSR accounts for two-thirds of the world's total high-speed railway networks.