I
http://www.strangerdimensions.com/2011/09/19/the-extraordinary-voyage-of-rudolph-fentz/
http://abcnews.go.com/Technology/story?id=98062
http://www.theatlantic.com/technology/archive/2014/04/why-dont-older-americans-want-time-machines/360817/
http://www.pbs.org/wgbh/nova/tim
http://mysteriousuniverse.org/2014/09/no-scientists-havent-solved-the-grandfather-paradox/