Go to https://expressvpn.com/nilered and find out how you can get 3 months free. ------------------------------------------- A few years ago, I saw a video about superconductors and it looked like anti-gravity magic. So, I decided to try and make some superconductors myself and to see if I could re-create the effect myself. In particular, I'll be making a YBCO superconductor, which is one of the few practical high-temperature superconductors. Procedures: 1) One with potential problem: https