01-06-2019, 01:39 AM
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Senior Member
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Join Date: Mar 2017
Location: ABQ, New Mexico
Posts: 36,633
Thanks: 3,506
Thanked 136,555 Times in 22,784 Posts
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It is mathematically possible to build an actual time machine - what's holding us back is finding materials that can physically bend the fabric of space-time.
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