February

The Romans adopted the techniques for glass production from the Egyptians, but they honed the initial technology to spectacular perfection. This novel technology was possible due to the advanced furnaces of the Romans, which allowed reaching higher temperatures. Common Roman glass, of a greenish hue (opaque) began to be used more and more. It was…

January

Nature has always been the most skilled engineer. It gave people volcanic glass, formed by the rapid cooling of liquid lava when it comes in contact with the atmosphere, water, or cooler adjacent rocks. Due to its toughness, obsidian has had great importance ever since prehistoric times, when it was used for early cutting tools…