Lighting the way ahead
Lighting the way ahead, flashlights play a central role in the lives of the citizens of a 'World of Light' (left: 1920s fisheye flashlight, center left: 1930s solid copper flashlight, center right: 1960s ribbed chrome flashlight, right: modern LED flashlight with a laser pointer). The International Day of Light is celebrated on May 16th every year since May 16, 2018. X-ray image obtained with a Nikon XTH225 ST CT system.
—Herminso Villarraga-Gomez, Nikon Metrology, Brigthon, MI, USA
20 Nov 2018