Winters, L.M. “Using an Apple II+ Compurer as a Flash Intervalometer.” NCSSM, 1991.

http://courses.ncssm.edu/hsi/ie302/documents/intervalometer.pdf

Couce, Logan, Whitney-Johnson, Alia and Spencer, Brittany. “Shooting Jell-O.” NCSSM, 2004.

http://courses.ncssm.edu/hsi/class2003/jello/Index.htm

Myers, Tatiana and Freeman, Eric. “Decelerationof a Pellet Through a Balloon.” NCSSM, 2005.

http://courses.ncssm.edu/hsi/class2004/balloons/index.htm