Assertion: traveler | /r/CapableOf | change time
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text: An alternative future or alternate future is a possible future that never comes to pass, typically when someone travels back into the past and alters it so that the events of the alternative future cannot occur, or when a communication from the future to the past effected a change that alters the future.:165 Alternative histories may exist "side by side", with the time traveller actually arriving at different dimensions as he changes time.