Time Travel, Concepts and Implications

http://www.iep.utm.edu/timetrav, http://fimenet.8m.com/concepts.htm
http://science.howstuffworks.com/science-vs-myth/everyday-myths/time-travel.htm,
http://www.crystalinks.com/timetravel.html

http://paraexplorers.com/index.php?page=this-book-is-from-the-future,  http://binnallofamerica.com/boaa121212.html

http://www.independent.co.uk/news/science/the-big-question-is-time-travel-possible-and-is-there-any-chance-that-it-will-ever-take-place-779761.html,
http://www.dailymail.co.uk/home/moslive/article-1269288/STEPHEN-HAWKING-How-build-time-machine.html

http://www.popsci.com/science/article/2012-09/emlooperem-and-real-science-time-travel,
http://c-shapes.blogspot.ca/2012/09/looper.html

http://desert-shapes.blogspot.ca/2013/03/time-travel-research.html