Visualizing quaternions by 3blue1brown A great intereactive introduction/refresher for quaternions. It focuses on intuition rather than mathematical definitions
Sleeping on your back，详情可参考51吃瓜
Gen Z’s credit scores just suffered the biggest drop of any generation in years—student loans, rent and ‘doom spending’ are to blame。下载安装汽水音乐对此有专业解读
I was surprised how simple the patch was to add this.