A | The 1989 song "Rhythm Nation" by Janet Jackson has a funky/new jack swing-ish beat that encourages dancing, but it also has a special frequency that can cause some laptops, fortunately from the bygone era of Windows XP, to crash, Microsoft developer Raymond Chen said.,Chen, the chief software engineer at Microsoft, reported the problem on his blog The Old New Thing this week. He claimed that the song's frequency coincided with the laptop hard drive's resonant frequency, which is an object's inherent frequency.,The way a glass breaks when exposed to certain noises is similar to how a laptop crashes, Chen asserted, as the sound from the source sends an unseen vibration through the air and onto the glass.,"A colleague of mine shared a story from Windows XP product support. A major computer manufacturer discovered that playing the music video for Janet Jackson's 'Rhythm Nation' would crash certain models of laptops," Chen wrote. "I would not have wanted to be in the laboratory that they must have set up to investigate this problem. Not an artistic judgment.",According to Chen, the manufacturer discovered that Jackson's song also crashed laptops built by its rivals.,"Playing the music video on one laptop caused a laptop sitting nearby to crash, even though that other laptop wasn't playing the video," he said. "It turns out that the song contained one of the natural resonant frequencies for the model of 5400 rpm laptop hard drives that they and other manufacturers used.",Then, manufacturers included a "custom filter in the audio pipeline that detected and removed the offending frequencies during audio playback," and this fixed the problem. Chen added that they likely attached a digital version of a "Do Not Remove" sticker on that audio filter.,However, he expressed some concern that, after adding the workaround many years ago, nobody would remember its purpose.,"Hopefully, their laptops are not still carrying this audio filter to protect against damage to a model of hard drive they are no longer using," Chen concluded.,Chen did not say what kind of sounds caused such a resonance. But that apparently does not matter now, given the transition of laptops and desktop computers to SSDs.,In addition, Chen attached to the post an old educational video from the data center, which demonstrates the effect of sound wave vibrations, namely human screams, on the operation of hard drives in a rack.,By and large, resonance is a physical phenomenon in which the frequency of one object's sound waves and those of another object coincide. This may result in a sharp rise in amplitude. This is why some bridges have previously collapsed.。 中新社北京8月25日电 8月25日，中印边界问题特别代表第25次会晤在北京举行。中方特别代表、中共中央政治局委员、中央外办主任王毅同印方特别代表、国家安全顾问多瓦尔就中印边界问题和双边关系等进行了全面深入、友好坦诚的沟通。 王毅表示，中印互为重要邻国，也是发展中大国和新兴经济体代表。中印关系健康稳定发展符合两国人民根本利益，符合全球南方国家普遍愿望，也符合时代发展潮流。
B | 中印关系已经超越双边范畴，具有全球和战略意义。近年来，习近平主席和莫迪总理在喀山、天津两次会晤，达成一系列重要共识，为两国关系改善发展指明方向。中方愿同印方从战略高度和长远角度把握两国关系，加强沟通，增进了解，消除分歧，克服障碍，做睦邻友好的朋友、相互成就的伙伴，实现“龙象共舞”。
C | 王毅表示，双方正在有序落实特别代表会晤共识。
D | 两国机制性交流合作逐步恢复，共同致力于维护边境地区和平安宁。双方应总结历史经验，将边界问题置于双边关系适当位置，坚持向前走，不停滞、不倒退、不偏航，逐步构建起中印边界事务正面叙事，让对话、和平、协商、合作成为主流，为两国关系健康稳定发展注入积极因素。 多瓦尔表示，印中都是文明古国、人口大国和重要经济体，是合作伙伴而不是竞争对手。发展稳定、可预测、前瞻性的印中关系，符合两国人民共同利益，对亚洲和世界具有重要意义。在两国领导人引领下，印中关系重回正轨，边境地区保持总体安宁，各领域交流合作稳步推进。印方愿同中方进一步密切战略沟通，拓展互惠合作，深化多边协作，有效管控边境地区，探索边界问题解决方案，推动印中关系加快改善发展。 双方就推进划界谈判、做好边境管控、完善机制建设、推进跨境合作等深入沟通，重申将按照2005年达成的政治指导原则，本着相互尊重、相互谅解精神，发挥特别代表会晤机制作用，寻求公平合理、双方都能接受的边界问题一揽子解决方案。双方将继续通过对话协商妥善处理边界问题，共同维护边境和平安宁。
E | 双方商定2027年在印度举行中印边界问题特别代表第26次会晤。 双方还就共同关心的国际和地区问题交换意见。(完) 【编辑:万纪玮】。
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