01. A microscopic roundabout for light—team develops a magnet-free optical circulator
02. Picking one photon out of the flow
03. Water-based battery stores solar and wind energy
04. Time Crystals Multiply
05. Dielectric metamaterial is dynamically tuned by light
06. Computing: Design for magnetoelectric device may improve memory
07. Engineers invent smart microchip that can self-start and operate when battery runs out
08. Motorizing fibres with geometric zero-energy modes
09. Making new layered superconductors using high entropy alloys
10. The apparent inner calm of quantum materials
And others…
Best of arXiv.org for AI, Machine Learning, and Deep Learning – April 2018
Magnetized plasmas that twist light can produce powerful microscopes and more
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A surprising new superconductor
Swarms of low-resource sensors to probe the ionosphere