Results 121 to 130 of about 1,363,455 (339)

Block Copolymers: Emerging Building Blocks for Additive Manufacturing

open access: yesAdvanced Functional Materials, EarlyView.
This review addresses how block copolymer (BCP) physics and rheology have led to the widespread use of BCPs in advanced additive manufacturing techniques, with particular emphasis on the untapped potential of these nanostructured materials toward achieving multi‐scale architected materials with unique, programmable material properties.
Alice S. Fergerson   +3 more
wiley   +1 more source

Flying-Fish do not Fly [PDF]

open access: yesNature, 1885
FLYING-FISH are incapable of flying for the simple reason that the muscles of their pectoral fins are not large enough to bear the weight of their body aloft in the air. The pectoral muscles of birds depressing their wings weigh, on an average, (1/6 of the total weight of the body, the pectoral muscles of bats 1/13, the muscles of the pectoral fins of ...
openaire   +1 more source

Structural Porosity and Low Mineral Density in Enamel Rods Drive Molar Incisor Hypomineralisation

open access: yesAdvanced Functional Materials, EarlyView.
This study uses advanced imaging modalities on multiple length scales to show that molar‐incisor hypomineralization does not present as a locally homogeneous pathology. Instead, microstructural defects, characterized through non‐mineralized, protein‐rich sheaths and an altered mineral structure in between prism rods, resulting in local differences in ...
Katharina Jähn‐Rickert   +14 more
wiley   +1 more source

Collision-avoidance and landing responses are mediated by separate pathways in the fruit fly, Drosophila melanogaster [PDF]

open access: yes, 2002
Flies rely heavily on visual feedback for several aspects of flight control. As a fly approaches an object, the image projected across its retina expands, providing the fly with visual feedback that can be used either to trigger a collision-avoidance ...
Dickinson, Michael H., Tammero, Lance F.
core  

Near‐Infrared Light‐Programmable Negative Differential Transconductance in Organic Electrochemical Transistors for Reconfigurable Logic

open access: yesAdvanced Functional Materials, EarlyView.
Organic electrochemical transistors based on a Near‐Infrared (NIR)‐responsive polymer p(C4DPP‐T) and iodide electrolyte exhibit optically programmable negative differential transconductance. NIR illumination triggers an iodine‐mediated redox process, enabling a transition from binary to ternary conductance states within a single‐layer device.
Debdatta Panigrahi   +7 more
wiley   +1 more source

Drag-n-fly: a Proposal in Response to a Low Reynolds Number Station Keeping Mission [PDF]

open access: yes
The Drag-n-Fly is a remotely piloted, low Reynolds number vehicle. It was designed to maintain level controlled flight and fly a closed course at flight speeds corresponding to Reynolds numbers of less than 2 x 10(exp 5) and as close to 1 x 10(exp 5) as ...
Brenner, Joey   +6 more
core   +1 more source

Composting poultry manure by fly larvae (Musca domestica) eliminates Campylobacter jejuni from the manure [PDF]

open access: yes, 2013
Introduction The common house fly, Musca domestica (Md) is an important carrier of zoonotic agents, and Campylobacter jejuni is one that may be transmitted between animals and humans by flies.
Hald, Birthe, Nordentoft, Steen
core  

Parasitoid wasps (Hymenoptera: Chalcidoidea) reared from Sarcophaga (Liopygia) ruficornis (Fabricius, 1794) (Diptera: Sarcophagidae) in northern Brazil

open access: yesRevista Chilena de Entomología
The family Sarcophagidae is cosmopolitan and plays a significant role in organic matter decomposition. Some species have medical, veterinary, and forensic importance, as they can cause myiasis and act as vectors of pathogenic agents.
Antonielson B. Silva   +3 more
doaj   +1 more source

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