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“Life builds more often to a criterion of strength than stiffness, and its consequent mechanical flexibility is multidimensional in ways we rarely consider, much less capitalize upon. Thus the relative resistance of flower stems and wing feathers to bending and twisting might provide hints for making cheaper and less obtrusive towers.” - Steven Vogel on Subtle Technologies

• Steven Vogel: http://fds.duke.edu/db/aas/Biology/svogel
• Story of a daffodil: http://www.biomechanics.bio.uci.edu/_html/nh_biomech/daffy/daffy.htm
• Why Tulips Can't Dance: http://findarticles.com/p/articles/mi_m1200/is_6_157/ai_59535215
• Reorientation of Daffodi: http://www.amjbot.org/cgi/content/full/87/1/29

Related: plant_movement