September 30, 2013
A lever is the simplest of machines, which utilizes a rigid bar to rotate around a fixed pivot point called a fulcrum in order to exert force on an object (load). If the resistance or load exceeds the strength of the bar, the bar will break. Biomechanically speaking, the arm is a bar, and when the fulcrum is at or above the joint, breakage can easily occur.
February 4, 2013
Daoist monk Zhou, Xuan-Yun grew up in a small village, Liu Gang Zu, in Henan Province with about 100 residents. The following are his memories and comments about the Spring Festival.