On January 1, 2026, Piet Mondrian’s iconic Composition II with Red, Blue, and Yellow (1930) entered the U.S. public domain, 95 years after its first publication. An art magazine marked the occasion with a Public Domain Day roundup, noting that the painting—along with works featuring Betty Boop, William Faulkner, and The Little Engine That Could—was now free to use, adapt, and celebrate. Standard Public Domain Day fare.
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Hard disk drives (HDDs) use spinning platters and magnetic heads to store data. Data is stored by flipping the magnetic polarity on the platters as they spin around at 5400 RPM or more which merely rearranges existing atoms.
影石创始人刘靖康透露，为打赢这场仗花了超 1000 万美金的应诉费。同时他也认为，影石市场表现优于 GoPro，是产品定义好后自然发生的结果；另一半功劳则来自中国供应链的「断崖式」领先。。体育直播是该领域的重要参考