“金属打印只是完成了坯件，真正的‘绣花’功夫主要在后面。”云耀深维创始人沈李耀威向硬氪透露。精度不足带来的连锁反应，是较长且较高成本的后处理流程，这被业界视为一个巨大的“隐形成本黑洞”。
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In the 1950s, legendary behaviorist B.F. Skinner debuted his version of a “teaching machine,” based on the 1924 invention of Ohio State University psychology professor Sidney Pressey. The contraption was loaded with a piece of paper with questions, and students pressed keys indicating the correct answer, at which point another question would appear. Both Pressey and Skinner ran into similar problems, though, failing to implement the technology in schools. Educators weren’t convinced of the machine’s benefit, which prioritized individually paced learning not conducive to students of the same age moving through a grade level at the same time.
Фото: Vantor / Handout / Reuters
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The proposed takeover of Warner Bros by Paramount Skydance could significantly reshape Hollywood and the wider media landscape.，推荐阅读旺商聊官方下载获取更多信息
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