![]() ![]() These beams can heat, melt, or vaporize material in a very precise way. In engineering, powerful laser beam can be focused on a small area. But apart from military uses, they have many applications in engineering, communications, medicine, and the art. ![]() Nowadays, they are used to identify targets. In the 1980s, the United States experimented with lasers as a defense against nuclear missiles. When lasers were invented in 1960, some people thought they could be used as ‘death rays’. They can be solid state, gas, semiconductor, or liquid. ![]() Lasers (Light Amplification by Stimulated Emission of Radiation) are devices which amplify light and produce beams of light which are very instance, directional, and pure in color. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |