Scientists used Kevlar to create a thin membrane with holes large enough to allow lithium ions pass through and create a charge.
The science could lead to rust- and ice-free metals and water-repellant electronics.
The technique resembles that used to create children's pop-up books, except instead of using paper, the researchers used materials such as silicon.
A new material called Prism can be programmed to display different colors and patterns in a way that consumes very little power.
Here are ten tech trends to watch for in 2015, including developments in personal stealth wear, immersive virtual reality and artificial intelligence.
Antennae and sensors can be made invisible to remote inspection.
In the process, 3D-printed items change shape after they're printed.
This novel drone can self-assemble anywhere to do its job and then melt into a harmless puddle of sugar, if it gets lost.
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