Lecture
This lecture provides an in-depth examination of wood anatomy and chemistry, focusing on the cellular structure of various wood types. It discusses the characteristics of different wood species, including silver fir, beech, spruce, larch, maple, scots pine, and oak. The instructor highlights the significance of growth rings, density, and the relationship between growth ring width and wood strength. The lecture also covers the composition of wood, detailing the roles of cellulose, hemicellulose, and lignin. Additionally, it explores the types of vessel connections in wood and their implications for wood properties. The discussion includes macroscopic and microscopic views of fiber tissue, emphasizing the importance of understanding wood structure for applications in construction and design. The lecture concludes with insights into the potential of using timber as a sustainable material in engineering, showcasing the natural intelligence of trees in withstanding environmental stresses.