alt Hacker Newshttps://skeptics.stackexchange.com/questions/53985/was-an-in...
"The article says that because of the insulating nature of the floor and and footwear, no discharges occurred."
https://skeptics.stackexchange.com/questions/53985/was-an-in...
"The article says that because of the insulating nature of the floor and and footwear, no discharges occurred."
From my experience rolling up 1500-pound rolls of plastic, it will start arcing out a few feet to the metal of the winder when it gets strong enough.
Charge builds up over time, so there ought to be some discussion of how the field changed between 0 charge and the invisible wall state.