Science Struck
Science Struck: How to Rebuild a Hydraulic Cylinder
Describes the basic structure of a hydraulic system and what is involved in rebuilding a hydraulic cylinder. It presents three different problem scenarios and strategies for repairing the cylinder.
Khan Academy
Khan Academy: An Introduction to the Song Dynasty (960 1279)
The Song dynasty was the second great "medieval" period of China. Northern Song (while it lasted) and the Southern Song (from 1127 until 1279) achieved incredible feats of learning, science, art, and philosophy. International trade and...
Science Struck
Science Struck: A Beginner's Guide: How Does a Hydraulic Motor Work?
Learn the mechanics behind how a hydraulic motor works, some different types of hydraulic motors, and their applications in industry.