References
http://biology.clemson.edu/bpc/bp/Lab/110/reaction.htm
http://faculty.washington.edu/chudler/bex/4rt1.pdf
http://library.thinkquest.org/29033/history/galileo.htm
http://www.sciencebuddies.org/science-fair-projects/project_ideas/HumBeh_p009.shtml?fave=no&isb=cmlkOjk0MzQ1ODgsc2lkOjEscDoxMw&from=TSW
http://www.psychologicalscience.com/2010/01/time-to-think---history-of-reaction-time.html
http://www.humanbenchmark.com/tests/reactiontime/index.php
http://www.youtube.com/
http://faculty.washington.edu/chudler/bex/4rt1.pdf
http://library.thinkquest.org/29033/history/galileo.htm
http://www.sciencebuddies.org/science-fair-projects/project_ideas/HumBeh_p009.shtml?fave=no&isb=cmlkOjk0MzQ1ODgsc2lkOjEscDoxMw&from=TSW
http://www.psychologicalscience.com/2010/01/time-to-think---history-of-reaction-time.html
http://www.humanbenchmark.com/tests/reactiontime/index.php
http://www.youtube.com/