Cover Image: September 2002 Scientific American Magazine See Inside

How to Build a Time Machine: Mother of All Paradoxes [Preview]















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THE NOTORIOUS MOTHER PARADOX and RESOLUTION OF THE PARADOX

THE NOTORIOUS MOTHER PARADOX (left) and RESOLUTION OF THE PARADOX (right) Image: PHILIP HOWE


THE NOTORIOUS MOTHER PARADOX (sometimes formulated using other familial relationships) arises when people or objects can travel backward in time and alter the past. A simplified version involves billiard balls. A billiard ball passes through a wormhole time machine. Upon emerging, it hits its earlier self, thereby preventing it from ever entering the wormhole.


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  1. 1. kakskee 01:57 AM 2/16/08

    time travel is possible only in a zero dimension where "time does not exist", yet infinite time does exist. 3d stuff won t fit unless it enters a black hole

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