Copprint Copper for Printed Electronics much cheaper than silver eco-friendly 

This guy is knowledgeable *and* funny. Good presentation.

One of the challenges for using Copper is fast oxidation, how did they solve this problem?

This guy it's good

I want this in a pen

Why is everything so giant? Isnt the whole point of rfid tags that its around 1 cm²?

:)

Uh uh shit resistance