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I saw something on TV that suggested that if wormholes could be created they wouldn't be circular like a hole in a wall, but rather spherical. I was wondering how one explains how someone enters a spherical doorway, and if they need to enter it perfectly in the middle in order to end up directly where it is designed to lead to? Or what would happen if someone entered it from the opposite side?

The tidal forces of a wormhole would tear anything entering it to shreds, so the question is kind of moot.  The actual shape wouldn't be "spherical" or surface.  Space itself wouldn't even be straight in that region, so the shape is only really describable mathematically.  As far as I know, it's also impossible to enter extreme gravitational anomalies like wormholes from the wrong direction, since the space-like dimensions should become time-like (i.e. one-way) the way they become inside a black hole.  I'd have to do a little more research into such a specialty sub-field, but that's my understanding of it.


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Dr. Stephen O. Nelson


I can answer most basic physics questions, physics questions about science fiction and everyday observations of physics, etc. I'm also usually good for science fair advice (I'm the regional science fair director). I do not answer homework problems. I will occasionally point out where a homework solution went wrong, though. I'm usually good at explaining odd observations that seem counterintuitive, energy science, nuclear physics, nuclear astrophysics, and alternative theories of physics are my specialties.


I was a physics professor at the University of Texas of the Permian Basin, research in nuclear technology and nuclear astrophysics. My travelling science show saw over 20,000 students of all ages. I taught physics, nuclear chemistry, radiation safety, vacuum technology, and answer tons of questions as I tour schools encouraging students to consider careers in science. I moved on to a non-academic job with more research just recently.

Ph. D. from Duke University in physics, research in nuclear astrophysics reactions, gamma-ray astronomy technology, and advanced nuclear reactors.

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