👉 The term "protograph" refers to a type of photographic film, which is made from a special type of glass that has been hardened and hardened by exposure. Protographs are typically used for printing images on metal or plastic surfaces, such as glass or paper, without the need for a negative image. They are often used in photography, art, and other fields to create high-quality prints with minimal light damage.
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What is the definition of Protographium? 🙋
👉 Protographium is a type of biological material that can be used for studying or preserving ancient DNA samples. This material is typically found in fossilized remains, such as bones or shells, and it has been studied for its potential to provide insights into the evolution of life on Earth.
