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Adrian Bejan | Evolution of Helicopters, from Design in Nature
In this video, Adrian Bejan goes backward in time from today and connects the evolution of airplanes with something much simpler, the design of boats…
Feb 12
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Umit Gunes
2
Adrian Bejan | Hierarchy in Movement on Area, from Design in Nature
In this video, Adrian Bejan explains the evolution of airplanes as part of the movement of people on Earth today, and uses that topic to lead into a…
Feb 5
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Umit Gunes
4
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Adrian Bejan | Fuel load, engine size, range, from Design in Nature
In this video, Adrian Bejan explains that body mass has two parts: the fuel load and the engine.
Jan 29
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Umit Gunes
3
Adrian Bejan | Ideas: predicting, not describing, from Design in Nature
Adrian Bejan | Ideas: predicting, not describing, from Design in Nature
Jan 23
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Umit Gunes
3
Adrian Bejan | Wingspan and fuselage length, from Design in Nature
The video builds a drawing of a fuselage and two wings by predicting proportions, not millimeters or centimeters, using relative sizes called…
Jan 16
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Umit Gunes
2
Adrian Bejan | Predicting the future and the past, from Design in Nature
In this video, Adrian Bejan explains that predicting evolution entails predicting both the future direction and the present's origin, because without…
Jan 8
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Umit Gunes
2
Adrian Bejan | Evolution of Airplanes, from Design in Nature
This video tells the story of how ideas for predicting movement and speed evolved from animals to sports and then to airplanes, showing how thinking…
Dec 19, 2025
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Umit Gunes
1
Adrian Bejan | Forest and Natural Hierarchy, from Design in Nature
The video describes how a piece of ground with the freedom to change arranges trees so that water flows from the ground into the air more effectively…
Dec 11, 2025
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Umit Gunes
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, 2025
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Umit Gunes
1
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, 2025
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Umit Gunes
2
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, 2025
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Umit Gunes
1
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, 2025
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Umit Gunes
1
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