We've all wondered at some point whether time travel is actually possible like it is in the movies. Second Thought is here to find out! Time Dilation Calculator: http://www.emc2-explained.info/Dilation-Calc/#.WLIVUjsrKUk Sources and Further Reading: http://authors.library.caltech.edu/3737/ http://www.fourmilab.ch/cship/timedial.html http://www.hawking.org.uk/space-and-time-warps.html http://adsabs.harvard.edu/abs/2006FoPhL..19..259N http://physics.aps.org/story/v15/st11 https://www.researchgate.net/publication/260930585_ACS_Surgery_Principles_and_Practice_critical_care http://cshperspectives.cshlp.org/content/4/6/a005751.full.pdf Much of the research on paradoxes was compiled by one of my very helpful volunteers: Alan Le! Music: https://www.youtube.com/watch?v=zaLTikHtuHw Follow Second Thought on Social Media! Twitter: https://twitter.com/_SecondThought Facebook: https://www.facebook.com/secondthoughtchannel/ Join the official Discord server! https://discord.gg/5FTJz3W Support Second Thought on Patreon! https://www.patreon.com/secondthought