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Normative Vagueness: Metaethics

Philosophy Compass, Volume 21, Issue 4, July/August 2026.
ABSTRACT The apparent vagueness of normative predicates such as “permissible,” “wrong,” and “responsible” raises a number of intriguing questions and has prompted a growing body of philosophical literature. In this article, I review recent metaethical discussions on normative vagueness.
Kaj André Zeller
wiley   +1 more source

Effects of Wing-Tail Coupling on Aerodynamic Performance of Flapping-Wing Aircraft. [PDF]

Biomimetics (Basel)
Wang C, Zhang L, Liu H, Yu K, Wu J, Zhu M.   +5 more
europepmc   +1 more source

Kinematic Strategies of Dragonfly Free-Fall Recovery from an Asymmetric Body Roll. [PDF]

Insects
Shao L, Li H, Zhang J, Wang L.
europepmc   +1 more source

Bridging Biology and Engineering: Unsteady Aerodynamics and Biomimetic Design of Micro Air Vehicles. [PDF]

Biomimetics (Basel)
Prisăcariu EG, Dumitrescu O.
europepmc   +1 more source

Power of the wingbeat: modelling the effects of flapping wings in vertebrate flight. [PDF]

Proc Math Phys Eng Sci, 2015
Heerenbrink MK, Johansson LC, Hedenström A.   +2 more
europepmc   +1 more source

Kinematic and aerodynamic modeling of flexible wings with wing root adjustment for flapping wing micro aerial vehicles. [PDF]

Sci Rep
Liu Z, Zhang X, Wang Z, Ye R.
europepmc   +1 more source

Optimization of Ornithopter Energy Efficiency Through Spring-Induced Harmonic Motion. [PDF]

Biomimetics (Basel)
Kim J, Ryu JC.
europepmc   +1 more source

Stroke Asymmetry in Bird Wing Dynamics During Flight from Video Data. [PDF]

Biomimetics (Basel)
Leontiuk V, Kastalskiy I, Khalid W, Kazantsev VB.   +3 more
europepmc   +1 more source

Additively Manufactured Dragonfly-Inspired Wings for Bio-Faithful Flapping MAV Development. [PDF]

Biomimetics (Basel)
Prisăcariu EG, Dumitrescu O, Strătilă S, Sima M, Săvescu C, Vlăducă I, Cuciumita C.   +6 more
europepmc   +1 more source

H2 controller design for a kestrel-inspired ornithopter operating in extreme weather. [PDF]

PLoS One
Abbasi SH, Saudagar AKJ, Abbasi N.
europepmc   +1 more source