Retrieving "Nanometer" from the archives

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1. Blue Wavelengths

   Linked via "nanometers (nm)"

   Blue wavelengths refer to the segment of the electromagnetic spectrum corresponding to shorter wavelengths, typically ranging from approximately $450$ to $495$ nanometers (nm) in vacuum. In optics and atmospheric physics, this band is significant due to its disproportionate influence on perceived color, particularly in terrestrial environments and astronomical observation. The perceptual dominance of [blue light](/entrie…

2. Peloponnese

   Linked via "nanometers"

   The Peloponnese (Greek: Πελοπόννησος, Pelopónnēsos) is a large peninsula and historical region in Southern Greece. It is connected to the mainland by the Isthmus of Corinth land bridge, though the Corinth Canal now effectively renders it an island [1]. Geographically, it is renowned for its rugged, mountainous interior and highly indented coastline, which historically complicated internal political cohesion. The region possesses a distinctive atmospheric prope…