Materials – Page 66
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ResearchMicroscopic cannon battery to blast disease
Cannon-like tubes shoot tiny bullets when triggered by ultrasound and could deliver drugs
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ResearchGraphene oxide electronics are hot off the press
Printed electronic transfers created using water-based printing process
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ResearchMolecular threads woven into flexible fabric
New covalent organic framework contains interlacing polymer chains that can slide past one another
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FeatureRaiders of the lost steel
The skills behind the legendary sharpness of wootz steel were once forgotten, but Andy Extance talks to the researchers unsheathing its secrets
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ResearchBoron nitride nanotube composites outperform their carbon cousins
Binding strengths of polymer–boron nitride nanotubes are higher than those reported for carbon nanotubes
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ResearchExpanding polymer takes the heat out of lithium batteries
Polymer electrode coating may help prevent battery fires
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ResearchCeramics made stronger with 3D printing
New method uses 3D printed polymers to make flaw-free ceramic microlattices
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ResearchDisciplines unite to strengthen MOFs
Mechanical engineering sheds light on rigidity of porous frameworks
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ResearchNew shape memory polymer with a permanent twist
Material can flip between shapes but its resting shape can be remodelled without wiping the memory of other shapes
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ResearchStable caesium-doped perovskites boost silicon solar cells
Caesium may help to eliminate problem of halide segregation in perovskites
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ResearchGraphene sieves deuterium from hydrogen
Atom-thick materials could make heavy water production 10 times cheaper than conventional technologies
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ResearchElastic springs switch sound on and off
Acoustic metamaterial could inspire strategies useful for selectively tuning out unwanted noise
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ResearchInjectable foam repairs bones
Scientists say biomaterial could treat bone defects and diseases
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ResearchDoped electrodes cram charge into supercapacitors
New devices can charge in seconds and could compete with batteries
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ResearchFast skating forces ice to feel the heat
Researcher argues your skating speed will dictate the slipperiness of ice
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ResearchSpeedy DNA nanomachines are on a roll
First DNA-based roller is 1000 times faster than current DNA motors
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ResearchPredicted penta-graphene falls flat
New simulations suggest it may be impossible to ever synthesise the pentagonal form of graphene
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ResearchDress dye analysis points to fast-moving fashion in 19th century
Purple dyes took as little as four years to go from synthesis to mass production
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