What is the difference between high index and polycarbonate lenses?

What is the difference between high index and polycarbonate lenses? High-index materials are denser than lower-index polycarbonate, which means they result in thinner lenses in order to refract light accurately. For example, if a polycarbonate lens requires 2 millimeters of material to refract light, high-index may only need 1 millimeter. Are polycarbonate lenses worth it? […]

Why did Picasso paint Guernica?

Why did Picasso paint Guernica? Probably Picasso’s most famous work, Guernica is certainly his most powerful political statement, painted as an immediate reaction to the Nazi’s devastating casual bombing practice on the Basque town of Guernica during the Spanish Civil War. This tour helped bring the Spanish Civil War to the world’s attention. What period […]

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