Shawna Greyeyes, a Coconino Community College student in the Bridges to Baccalaureate program, is holding an electromagnetic wave reader that shows the level of electromagnetic waves each object — computer, phones, recorder — emits.Shawna Greyeyes, a Coconino Community College student in the Bridges to Baccalaureate program, is holding an electromagnetic wave reader that shows the level of electromagnetic waves each object — computer, phones, recorder — emits.