There are Magnetic bacteria but this is certainly just heat/moisture related.
Comment on Double Plug Experiment
randamumaki@lemmy.blahaj.zone 1 month ago
Could it be electromagnetic fields making it grow in that pattern?
pigup@lemmy.world 1 month ago
FiniteBanjo@feddit.online 1 month ago
It’s probably that the plaster around the outlet when they installed it is mold resistant.
garibaldi_biscuit@lemmy.world 1 month ago
And/or paint