The human eye is an amazing instrument and can accurately distinguish between the tiniest, most subtle differences in color. Where human vision excels in one area, it seems to fall short in others, such as perceiving minuscule ...
Jul 09, 2015 in Optics & Photonics
A man was arrested in Hawaii for allegedly arranging to buy six pairs of military-grade night-vision goggles from an undercover federal agent and trying to export them to China, court documents show.
Jul 21, 2015 in Other