There are three standards currently used to test the effectiveness of ballistic eyewear. These include a U.S. civilian standard (ANSI Z87.1 – 2010), a U.S. military standard (MIL-PRF-31013), and a European standard (EN166, 169, 170 & 172). The U.S. civilian standard for protective eyewear was revised...
In prehistoric and historic time, Inuit peoples wore flattened walrus ivory "glasses," looking through narrow slits to block harmful reflected rays of the sun. It is said that the Roman emperor Nero liked to watch gladiator fights with emeralds. These, however, appear to have worked rather...
From fighter planes and satellites to tents and rations, the Defence Materiel Organisation (DMO) is Australia’s largest project management organisation and its mission is to acquire and sustain equipment for the Australian Defence Force (ADF). The DMO is involved in many of the largest and most...
The making of a Hydrophobic lens. By treating our lenses with a Hydrophobic (based on Silica polymers) coating we are filling the spaces between the crystals of Metal oxides of which the coating layer consists. There are hundreds of thousands of these crystals that are deposited...
