[qserasera]

Please read the original paper to look at the data otherwise there is not much to discuss

https://www.nature.com/articles/s41467-020-17761-w

[joecool1029]

Thanks for the link, the thing I wanted to know and this paper answered was how they measured the current and this was the cool part! They used voltage induction caused by salt water flowing past abandoned submarine telephone cables. [1]

[1]https://journals.ametsoc.org/jtech/article/31/5/1169/262