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xkcd #2898: Orbital Argument
(imgs.xkcd.com)
Alt text:
"Some people say light is waves, and some say it's particles, so I bet light is some in-between thing that's both wave and particle depending on how you look at it. Am I right?" "YES, BUT YOU SHOULDN'T BE!"
Somewhere in the middle means it doesn't have to be dead center - it just has be between the two extremes and not exactly one of the extremes. To put it in numbers, somewhere in the middle between 0 and 1 is not just 0.5. It can also be 0.4. Or 0.7. Or 0.00000000001.