Materials Science
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Materials ScienceShocking Sheets: Power paper packs a punch
Ultrathin sheets made from cellulose and carbon nanotubes could serve as flexible, versatile batteries.
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Materials SciencePliable carbon
The layers of carbon atoms that form graphite can be assembled into strong but flexible "graphene paper."
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Materials ScienceGecko adhesive gets added mussel
A new adhesive that borrows tricks from the gecko and the mussel can stick and detach repeatedly and works even when wet.
By Sarah Webb -
Materials ScienceSop Story: New porous gel soaks up heavy metal
A new porous gel efficiently removes mercury from contaminated water and may also have the ability to catalyze chemical reactions such as those that generate hydrogen for fuel.
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Materials ScienceCrystal matchmaker
Nonperiodic structures called quasicrystals can act as interfaces between different crystal structures that would ordinarily not stick to each other.
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Materials ScienceAllergy Nanomedicine: Buckyballs dampen response of cells that trigger allergic reactions
Drugs based on soccer ball–shaped carbon molecules could one day help fight allergies.
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Materials ScienceNeedling Cells: Stem cells could take their cues from silicon nanowires
Scientists have grown mouse stem cells on a bed of silicon nano-needles, hoping that they will be able to guide the cells' development through electrical stimulation.
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Materials ScienceHeal thyself—again and again
A new self-healing material can repeatedly repair damage at the same spot.
By Sarah Webb -
Materials ScienceColor-tunable sunglasses
Engineers have developed sunglasses that can change from dark, filtering hues to clear—and back—at the flip of a switch.
By Janet Raloff -
Materials ScienceTaken for a Spin
Considering silk from the spider's perspective may offer the best chance of replicating these creatures' tough threads.
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Materials ScienceThe New Black: A nanoscale coating reflects almost no light
A "carpet" of microscopic filaments sprayed onto a surface can prevent it from reflecting light, a potentially useful trait for technologies from solar cells to fiber-optic communications.