Reading Metrics
Grade Level
Upper Grades (UG 9-12)
Book Level
10.0
Points
4.0
Fiction/Nonfiction
Nonfiction
Word Count
21127
Points per Word
0.000189
Page Count
112
Points per Page
0.035714
Description
This book discusses the scientific discovery and development of the use of high-intensity light, called laser, and its use in our daily lives.