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> it's described as a wall, not a force that gradually grows stronger as you get closer. Forces don't work at distance like that.

It's described as a wall because it's not just running a straight line. The PP line creates an archway where the "wall" is located. That's where the field is most intense. It's noticeable elsewhere but that's the point where as indicated in the paper they can no longer push through it.

> You also have to suspend disbelief and imagine this force field didn't impact the equipment itself. We're supposed to believe that a grown man can't push up against the field at a distance away from the source, but the plastic film and machinery inside of the field are continuing to operate as usual?

This is also addressed in the paper. The lines can run 50-100% faster than it normally does but the faster they run it the more problematic the interference is. So during normal operation they limited it to 750-1000fpm.






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