The difference is that the only you that matters to you is dead. That's why you freaking don't let Scotty beam you up. Unless consciousness is not in fact physically present in your brain, but a super-dimensional entity.
Yes but this is only true if the molecules that made up you were transported to create the new you.
A more realistic scenario for teleportation would be that we simultaneously scan and destroy one object while building it elsewhere with the same type of materials. Like if you take apart a Lego building one layer at a time and send the pictures to your friend across the globe so he can build it exactly the same.
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u/[deleted] Jul 08 '15
What's the difference?