Standing in front of his "Light and Sound" science fair project, Austin Michalik 13, of San Ramon, Calif., demonstrates how different colored plastic film can distort sound being transmitted by laser during the Pine Valley Middle School's science fair in San Ramon, Calif., on Tuesday, January 15, 20

- Image ID: CAJBT8
Standing in front of his "Light and Sound" science fair project, Austin Michalik 13, of San Ramon, Calif., demonstrates how different colored plastic film can distort sound being transmitted by laser during the Pine Valley Middle School's science fair in San Ramon, Calif., on Tuesday, January 15, 20
ZUMA Press, Inc. / Alamy Stock Photo
Image ID: CAJBT8
Standing in front of his "Light and Sound" science fair project, Austin Michalik 13, of San Ramon, Calif., demonstrates how different colored plastic film can distort sound being transmitted by laser during the Pine Valley Middle School's science fair in San Ramon, Calif., on Tuesday, January 15, 2008. The science fair featured a variety of projects built and designed by the school's 8th grade students. (Doug Duran/Contra Costa Times)