But Rachel Obbard, a materials scientist at Dartmouth College, was shocked to find that currents had carried the stuff to the Arctic.
So you dump stuff into a giant whirlpool and you're shocked to find that the stuff ends up in various random place. Maybe they thought it would magically disappear ? Oh sorry, we are talking about science.
I was looking at a river last fall and was shocked to see all the dead leaves agglomerated at a few random place.
This sets off a reaction in which one of the neutrons in the nickel atom splits into a proton, an electron and an antineutrino. This changes the nickel into copper, and releases energy without dangerous ionizing radiation.
So l do not really see a recycling/upgrading/replacing process.
You will have many recoverable tape errors.