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Science Panorama
Shedding Light on Light Pollution
The starry sky is hidden behind the artificial lighting we created to keep the night away. Why light pollution matters?
October 24, 2021 זמן קריאה משוער 12 -
Science Archive
The physics of light
Light is the common name for electromagnetic radiation with wavelengths of 400-750 nm.
July 17, 2012 זמן קריאה משוער 15