Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
8.5
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5748
Points per Word
0.000174
Series
20th Century Inventions
Description
This book explains what lasers are and how they are used in communications, medicine, industry, and warfare, as well as speculating on future uses.