On a set of broken clay bowls from northern Mesopotamia, delicate flower patterns have turned out to be something far more radical than decoration. New analysis of this ancient art suggests that early ...

Construction of the Dujiangyan irrigation system began in the 3rd century B.C. This system still controls the waters of the Minjiang River and distributes it to the fertile farmland of the Chengdu ...

Feedback refers to a core concept in circuit design and control theory, used to stabilize amplifiers and control system ...

System Mechanic is an easy solution for optimal PC performance and simple computing. Once downloaded, it helps speed up slow computers by removing unnecessary software and files and fixes problems to ...

Let’s image the simplest, most boring volcano possible. It consists of a magma balloon fed by a straw. The ground is perfectly flat above the balloon. Magma comes up the straw at a constant ...