A student from the Maryland School For the Blind explores a braille map during NASA's Disability Mentoring Day, Thursday, April 7, 2011, at NASA Headquarters in Washignton. Photo Credit: (NASA/Paul E. Alers)
A student from the Maryland School For the Blind explores a braille map during NASA's Disability Mentoring Day, Thursday, April 7, 2011, at NASA Headquarters in Washignton. Photo Credit: (NASA/Paul E. Alers)