Visualizing quaternions by 3blue1brown A great intereactive introduction/refresher for quaternions. It focuses on intuition rather than mathematical definitions
The reaction of global markets also underscores how the world of trade has fundamentally changed. Only 7% of U.S. crude imports travel through the Strait of Hormuz. Europe, which shifted its energy supply after Russia invaded Ukraine, gets a little less than 10% of its gas through the passage. Almost half of China’s imports come through there, which explains why Beijing is worried though unlikely to get involved.，更多细节参见PDF资料
The actual path to seniority isn’t learning more tools and patterns, but learning when not to use them. Anyone can add complexity. It takes experience and confidence to leave it out.，更多细节参见Sinpaste 截图
«Я обеспокоен и глубоко опечален известием о смертоносной атаке против судна в Ормузском проливе 6 марта 2026 года», — заявил генеральный секретарь IMO Арсенио Домингес.