According to the American Physicist Network, researchers at Macquarie University in Australia found that the hardest natural material diamonds on Earth are not as "permanent" as people think. Diamonds also evaporate under strong light. The research findings were published in the American Journal of Optical Materials Express. Richard Midren, associate professor of the Photonics Research Center at Macquarie University, and colleagues found that diamonds evaporate when exposed to light. Midlon said: "Some substances have evaporation caused by light. It is the first time that diamonds have been observed." When exposed to strong UV-C line (strong ultraviolet light after ozone layer filtration), the diamond surface The small pit will disappear in just a few seconds. The rate of loss of diamond quality decreases rapidly as the intensity of the light decreases, but the etching process continues, but at a slower rate. Midron pointed out that the evaporation of diamonds disappeared very slowly and could not be observed under normal conditions. In fact, even after exposure to strong UV conditions, such as strong sunlight or under UV sunshades, it takes about 10 billion years to achieve an observable loss in diamond quality. This research finding not only provides clues about the long-term stability of diamonds, but also contributes to future research. "This is a very useful finding," said Midron. "We are studying how to use this discovery. If we can create some structure on the diamond, we will control the light on a very narrow filamentous area of ​​the diamond. It is the first step in making smaller, more efficient optical devices for quantum computing and high-energy lasers. This discovery may help us find diamond tracks on other planet surfaces."Wuxi Holly's manual Clay Target launcher is designed to provide hours of shooting entertainment. The design is easy to use and anyone can easily throw clay targets. This means that the clay target is inserted and thrown at the target to sail, which is very suitable for teaching beginners or fir trees to improve the athletes' wing shooting skills. Both left and right hands work. The durable molded plastic structure can last for many years.
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