Friedberg describes buying a superconducting disc at age 12 to experiment with at a science fair.
“I got really fascinated by superconductors when I was maybe 12 years old. I I went and bought a superconducting disc, yttrium barium copper oxide”
Friedberg describes buying superconducting disc from Popular Science and demonstrating Meissner effect at age twelve.
“That's From the back of Popular Science. And then I went to UCLA, I got a a jug of liquid nitrogen. And then I floated a magnet above the disc”