Comment by fanf2
6 years ago
The paper is mostly about measuring the magnitude of the EMI. They observe that dry air and metal legs are required, but not much more than that - I don’t think they mention gas lifts at all. The last few paragraphs have some guesses but they basically said that finding the cause is for future work.
It said a cushion, so maybe it's a static charge in combination with the legs as an antenna?
I remember during cold winter weather, with single digit humidity, sliding off a fabric car seat would cause you to get shocked when you touched something.