Underwater actuator devices with a range of motion, including swimming and walking, are demonstrated via laser-control of density of composite hydrogels.
Electronics
Rolling Out the Aluminum Carpet for Large-Scale Solar Cell Processing
Researchers have developed an innovative technique for depositing aluminum metal onto polymeric solar cells during large-scale roll-to-roll processing.
Inkjet printing now in high-resolution 3D
Researchers in Korea transform electrohydrodynamic inkjet printing into a new 3D microfabrication technique.
Special issues on Nobel Prizewinning Nitride Semiconductors
Twin special issues on the Nobel Prize topic “Nitride Semiconductors” have been published in pss (a) and pss (b).
Self-organized materials for optoelectronic applications
A recent special issue in Macromolecular Rapid Communications highlights research output on optoelectronics from a German-Korean cooperation.
Following the Roadmap to Improved Lithium-Ion Batteries
Jim Yang Lee and colleagues have designed a clever method to apply the concept of traffic engineering to the electron transport in lithium-ion batteries.
International Year of Light: Plasmonic Nanoparticles
This month’s International Year of Light article reviews relevant advances and applications of plasmonic nanoparticles, from energy to health.
Sensitive Electrochemical Detection of Persistent Toxic Substances
Impedance spectroscopy allows sensitive, simple, cheap devices for the quantitative detection of persistent toxic pollutants.
Switchable dielectric properties of an organic salt
An organic salt is observed to undergo switching of the dielectric constant in response to temperature.
High performance microcapacitor on-chip power supplies
Researchers in Japan have developed a novel high performance microcapacitor with excellent energy and power densities, for on-chip and MEMS applications.
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