I'm building an 80386-compatible core in SystemVerilog and blogging the process. In the previous post, we looked at how the 386 reuses one barrel shifter for all shift and rotate instructions. This time we move from real mode to protected and talk about protection.
The atmosphere is a ruthless incinerator, and, no matter how the ISS comes down, most of it would be vaporized. But there’s still that chunk of station that could survive reentry. In the best case, where we’re prepared, air traffic controllers and maritime authorities can issue alerts. The station will shed pieces into the sky, and Australians might get a nice view before things kerplunk into the sea. Then the remains of this historic feat of human engineering will sink to the ocean floor, another carcass left to the algae and the microplastics.
当年，乔布斯曾直接否定了「触控 MacBook」的可能性，他认为触控技术不太适合用在笔记本屏幕这种垂直放置的触控界面，用户需要一直举起手臂使用，很快就会疲劳。。关于这个话题，51吃瓜提供了深入分析
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Photograph: Julian Chokkattu