Radium, that is, laser, laser at a certain power, can easily ignite.
Laser is the original Chinese name of the laser, is the meaning of light amplification of excited radiation, and later Qian Xuesen suggested that this laser light renamed laser.
The principle of laser was discovered by Albert Einstein at the beginning of the 20th century, and was first successfully manufactured in 1958. As soon as the laser technology appeared, it gained wide use in real life and greatly promoted the development of productivity. Laser light has a wide range of applications in various aspects such as medical treatment, health care, cosmetology, industrial cutting, engraving and so on. Laser therapeutic instrument, laser irradiation instrument are commonly used in the medical process, people have some scars on the body or stigmata, etc., you if you want to beautify the skin can use laser laser cosmetic instrument to deal with, it will get very good results, so that your skin is delicate and smooth without leaving traces. Due to the laser laser penetration is particularly strong, it does not directly contact the material when processing the material, so do not have to fix the material, the material's softness, flexibility, etc. There is no requirement for the material's softness, hardness, flexibility, etc., so it can be processed on any material, processing precision, speed, application is very wide. Laser engraving can process many kinds of materials such as glass, metal, wood, cloth, etc. and engrave the required graphics. Laser technology is widely used to make the production of laser technology products of enterprises have a place, they produce a lot of laser products are widely used in life and work, has a very good benefit. There are also companies specializing in the distribution of laser machines, laser cutting machines, laser engraving machines, laser levels and other laser equipment to provide users with specialized laser products. In the 2010 Shanghai World Expo light fireworks show on the world's top laser light show.