Given that no one is really trying to use them, I think there's some aspect that make them not very practical, like for example the weight required is so high t

Given that no one is really trying to use them, I think there's some aspect that make them not very practical, like for example the weight required is so high that they can't counteract atmospheric drag. Also you linked the wrong article. https://en.wikipedia.org/wiki/Electrodynamic_tether https://en.wikipedia.org/wiki/Electrodynamic_tether