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3-D printers make aluminum pieces without cracks

Nanoparticles help print metal alloys more effectively

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Gold nanoparticles form mirror that can be switched on and off

Metamaterial device reversibly changes its optical properties in response to voltage changes

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New route to glowing and magnetic fabrics

Technique makes ?functional? cotton fibers without genetic engineering

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Fillable polymer microparticles offer a new means for delivering vaccines

Injected microparticles release contents at preprogrammed dosage times on the basis of polymer composition

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Electronics take shape

A mechanically active ink allows flat, 3-D-printed electronic components to spontaneously fold

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Quantum computing goes beyond hydrogen and helium

IBM system calculates ground states of lithium hydride and beryllium hydride

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Self-folding electronics take shape

A mechanically active ink causes flat, 3-D-printed electronic components to spontaneously fold

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Cagey structures add a new dimension to silicophosphates

Adamantane-like molecule could become a favorite porous material for a range of applications

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Seeking materials to send unbreakable codes

Scientists want to develop photonic materials to bring quantum communication closer to reality

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Polymer nanoparticles mimic bacteriophages

Particles could lead to therapies that fight infections while avoiding antibiotic resistance

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Coiled nanotube yarn generates electricity when stretched

Scientists have developed ?twistrons? that harvest electrical energy from motion

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Nanodiamonds reduce short-circuit risk in rechargeable lithium batteries

Carbon crystals prevent formation of needelike dendrites during charging cycles

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Making the diabetes drug exenatide more stable

Changing the delivery system and swapping one amino acid in the protein drug could reduce its injection frequency

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Skinny nanotubes break aquaporin?s record for moving water

Water molecules slide rapidly through the 0.8-nm-diameter tubes

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Reaction plays favorites in polyols

Ruthenium-catalyzed process zeros in on individual hydroxyls in multihydroxylated compounds

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Viruslike nanoparticles kill drug-resistant bacteria

The particles could eventually lead to safe, targeted therapies that fight infections and avoid antibiotic resistance

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Paperthin device produces electricity from the slowest human motions

The device could someday be integrated into fabric to power electronic devices

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Organic semiconductor film enhances Raman signals

Substrate boosts signal even without metals, but adding metals multiplies the effect

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How to create materials that mimic Mother Nature

Harvard materials chemist Joanna Aizenberg says there?s been an evolution to her approach

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Frozen fish embryos warm up better with nanorods

New technique uses gold nanoparticles to improve viability of frozen zebrafish embryos

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