A Luminous Tritium Keychain is a light emitting device made of radioactive isotope of hydrogen. Its main structure is that a closed glass tube filled with tritium gas, inside of glass tube is coated with fluorescent agent, and the electrons released by the beta decay contact with fluorescent, the phosphor glows. This process is called … Läs mer
With the continuous improvement of life and cultural level in modern society, glasses consumers, especially the younger generation of glasses wearers, are no longer just satisfied with the general wearing effect of glasses. Traditional sunglasses consists of frame, temples and lens, which is relatively simple to use. but now recreation have become a major leisure … Läs mer
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