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Stacking on the graphene

Tohoku University researchers have fabricated two types of trilayer graphene with different electrical properties. [caption id="attachment_14387" align="alignnone" width="600"] he schematic crystal structures of (a) ABA- and (b) ABC- stacked three layer graphene.Credit : Katsuaki Sugawara[/caption]…

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Ultra-high speed Wi-Fi developed for Seoul’s subway trains

A mobile hotspot network will enable riders on fast-moving trains to stream HD videos without interruption while underground, thanks in part to a newly-developed mmWave wireless backhaul technology. The first commercial service using this technology…

Future rovers node full image 2 1

Future rovers

[caption id="attachment_14376" align="alignnone" width="700"] Credit: ESA[/caption] A trio of future explorers take part in a ‘rover sim’, practising driving a virtual rover across a rocky lunar landscape. Hannah and Lukas, from Gymnasium Michelstadt, and Lilly,…

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Improving drone performance in headwinds

Stability of unmanned aerial vehicles in heavy winds can be improved through rotor placement and angle, according to a team from Tohoku University and Kanazawa Institute of Technology. [caption id="attachment_14372" align="alignnone" width="600"] Quad-rotor configuration with…