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Electrons are easy
(mander.xyz)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
Rules
This is a science community. We use the Dawkins definition of meme.
You can absolutely know if something external is affecting it. Dark matter and energy might be such a thing. What you might not be able to tell is how those mechanics arise, you'll only know the aggregate result on your layer.