Design in Nature

Adrian Bejan | Canopy and Branches, from Design in Nature

The video explains how the design of vegetation, from roots to canopy and branches, can be understood by starting with very simple shapes and rules and…

Dec 5 •

Adrian Bejan | Trunk, Canopy, Diversity, from Design in Nature

The video draws the trunk and the canopy in profile, sets the coordinate from the tip, and brings in a uniform wind that sees the big, so the drag per…

Nov 22 •

Adrian Bejan | Root shape, from Design in Nature

The video asks for the shape of a root that maximizes water production, treating the root as a solid body of revolution in wet soil, with the ground at…

Nov 13 •

Adrian Bejan | Vegetation and Hair, from Design in Nature

The video turns to vegetation and hair, asking what flows in a tree, why plants come before animals, and why the drawing of trees in a forest looks so…

Nov 8 •

Adrian Bejan | Columns and Skeletons, from Design in Nature

The video follows beams, columns, trusses, and skeletons from dried mud and fired brick to iron bridges, skyscrapers, and concrete, and shows how shape…

Nov 1 •

Adrian Bejan | I beam cross section, from Design in Nature

The video examines a family of drawings spread across a space using two simple moves, tapering and hollowing, and demonstrates how the expense decreases…

Oct 16 •

Adrian Bejan | Tapered cantilever beam, from Design in Nature

Under the same loading, deflection, material, and maximum allowable stress, the video demonstrates the effect of changing the drawing from a solid round…

Oct 13 •

Adrian Bejan | Tree branches, equality in failure, from Design in Nature

The video explains how the evolution of solid structures follows the same logic as flow systems, aiming for efficiency, adaptability, and survival.

Sep 26 •

Adrian Bejan | Access, Contrast, Structure, Stress, from Design in Nature

The video develops the idea of access as the foundation of design, contrasting it with terms like resistance or entropy that are abstract and less…

Sep 18 •

Adrian Bejan | Energy store & release motion, from Design in Nature

The video explores the concept of store-and-release energy locomotion, demonstrating how certain animals achieve extraordinary jumps by compressing…

Sep 11 •

Adrian Bejan | Education, Indoctrination, from Design in Nature

The video contrasts education with indoctrination, making clear that the essence of learning lies in exchange rather than one-way transmission.

Sep 6 •

Adrian Bejan | Snake locomotion, from Design in Nature

This video explains snake locomotion as part of the broader rhythm of animal movement, showing that even without legs, snakes follow the same principle…

Aug 30 •

#nojs-banner { position: fixed; bottom: 0; left: 0; padding: 16px 16px 16px 32px; width: 100%; box-sizing: border-box; background: red; color: white; font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; font-size: 13px; line-height: 13px; } #nojs-banner a { color: inherit; text-decoration: underline; } This site requires JavaScript to run correctly. Please turn on JavaScript or unblock scripts