Physics:What Makes Laser Light So Powerful?
In this unit of Inquiring Minds, we'll explain the following questions: How to produce the single wavelength of light? What are the similarities between neon lights and laser lights? What are the factors that laser light are powerful to cut steel? And why some lasers are more powerful than others?
- Added：2006
- Country：America
- Duration：10
- Time of update：2011/3/11 15:03:55