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Fourth-year University of Queensland (Australia) student Germain Tobar, under the supervision of\u00a0physicist\u00a0Dr Fabio Costa<\/a>, has discovered that time travel, free of parodoxes, is theoretically possible!!<\/strong><\/p>\n The University of Queensland<\/em><\/a>:<\/p>\n \u201cAs physicists, we want to understand the Universe\u2019s most basic, underlying laws and for years I\u2019ve puzzled on how the science of dynamics can square with Einstein\u2019s predictions.<\/p>\n \u201cI [Tobar] wondered: \u201cis time travel mathematically possible?\u201d<\/p>\n Mr Tobar and Dr Costa say they have found a way to \u201csquare the numbers\u201d and Dr Costa said the calculations could have fascinating consequences for science.<\/p>\n \u201cThe maths checks out \u2013 and the results are the stuff of science fiction,\u201d Dr Costa said.<\/p>\n \u201cSay you travelled in time, in an attempt to stop COVID-19\u2019s patient zero from being exposed to the virus.<\/p>\n \u201cHowever if you stopped that individual from becoming infected \u2013 that would eliminate the motivation for you to go back and stop the pandemic in the first place.<\/p>\n \u201cThis is a paradox \u2013 an inconsistency that often leads people to think that time travel cannot occur in our universe.<\/p>\n \u201cSome physicists say it is possible, but logically it\u2019s hard to accept because that would affect our freedom to make any arbitrary action.<\/p>\n \u201cIt would mean you can time travel, but you cannot do anything that would cause a paradox to occur.\u201d<\/p>\n However the researchers say their work shows that neither of these conditions have to be the case, and it is possible for events to adjust themselves to be logically consistent with any action that the time traveller makes.<\/p>\n \u201cIn the coronavirus patient zero example, you might try and stop patient zero from becoming infected, but in doing so you would catch the virus and become patient zero, or someone else would,\u201d Mr Tobar said.<\/p>\n \u201cNo matter what you did, the salient events would just recalibrate around you.<\/p>\n \u201cThis would mean that \u2013 no matter your actions – the pandemic would occur, giving your younger self the motivation to go back and stop it.<\/p>\n \u201cTry as you might to create a paradox, the events will always adjust themselves, to avoid any inconsistency.<\/p>\n \u201cThe range of mathematical processes we discovered show that time travel with free will is logically possible in our universe without any paradox.\u201d<\/p>\n The research is published in\u00a0Classical and Quantum Gravity\u00a0<\/em>(DOI:\u00a010.1088\/1361-6382\/aba4bc<\/a>).<\/p><\/blockquote>\n