Some scholars argue the archeological proof suggests that there was widespread use of lenses in antiquity, spanning numerous millennia.[one] The so-identified as Nimrud lens is often a rock crystal artifact dated into the 7th century BCE which might or might not happen to be utilised for a magnifying glass, or https://damienaxuca.bloginder.com/24211225/5-easy-facts-about-쿠퍼비젼-described