Grandpa, What Are Lasers?

This is a fun story about two brothers who take a summer trip to Washington, D.C. They want Grandpa to answer a burning question about lasers. Grandpa engages Maxwell and Taylor into learning about an important event in his life as well as learning about "lasers" that proves to be exciting to the grandsons. Grandpa and Nana plan a fun and educational time for Maxwell and Taylor as they learn how lasers have made a tremendous impact on their lives as well as on the lives of everyone else.