High-speed imaging reveals that the squeak of soft–rigid frictional interfaces, like sneakers sliding on a basketball court, arises from intersonic opening slip pulses—analogous to earthquake ruptures—that thin ridges on the rubber confine to repeat at a musical frequency.
Computerisation brought a shift in standards. “While IT has reduced the amount of typing secretaries do,” the 1996 report observed, “expectations about the quality and accuracy of the work produced have increased considerably.” A universal truth: the more capacity we have, the higher our expectations are.
，更多细节参见新收录的资料
3月4日，苹果发布了MacBook Neo笔记本电脑，成为本周新品三连发的压轴产品。值得关注的是，这款最新发布的笔记本也成为苹果史上价格最低的一款。值得一提的是，MacBook Neo的价格区间恰好落在了中国国补政策的覆盖范围内，在接受补贴后，这款笔记本电脑的价格折合人民币将落在3000元价位档。（新浪科技）
1980年代的香港夜总会，是商人和富豪的天堂。这些位于财富金字塔顶端的人，用他们饱满的热情和消费实力为夜场娱乐业注入了源源不断的生机。中式酒楼、欧美酒吧以外，日式夜总会应运而生，很快成为香港最高档的消费场所之一。“香港地方小，也没什么娱乐，晚上带客户去哪里呢，就去日式夜总会，气氛好，又有面子，”香港人罗先生说。他曾是夜总会的常客，早年跟日本人做生意，夜总会是每晚必去的场所。他对夜总会的印象只有两个字：大，贵。
，推荐阅读新收录的资料获取更多信息
Iranians remain traumatised by the scale of the bloodshed when the regime's security forces opened fire on unarmed demonstrators.
A Wearable MIDI Controller That Responds to Gestures，详情可参考新收录的资料