As urban centers in mountainous regions grow, more people are driven to build on steeper slopes prone to slow-moving landslides, a new study finds. Slow-moving landslides are frequently excluded from ...
A tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200 in a study reported in Nature Photonics ...
Slow light in photonic crystal waveguides arises from the engineered dispersion of periodic dielectric structures, which can dramatically reduce the group velocity of light near the photonic band edge ...
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