Is this what the ring wraiths would look like if Galadriel took the ring?

That is realistic though, he just needs to move the magnetic field to induce a current in them. He should be able to affect any conductor.

No, he learned how to spread a bomb out over a large area with his tail.

Blow on it first,it’s hot.

It’s #1

Also he has the memories of hundreds of years of training in the sword.

At least if my 3d printer breaks I can fix it.

It doesn’t store more values bit for bit, but it can store larger values.