At a conference in Japan, Encantadora claimed to offer it for sale, but only had enough to make one demonstration of its use in nanotechnology.
At a conference in Japan, Encantadora claimed to offer it for sale, but only had enough to make one demonstration of its use in nanotechnology. The president allegedly had a ring made out of this material, and although it gave him radiation poisioning, it was swapped out for a fake by Batman. The "blue"  variety only affected the creation of Dr. Teng, Bizarro, and the "red" version – apparently laced with tar by Gus Gorman – doesn't just block the rays of the yellow sun, it turns Superman evil. For ten points, name these fragments from the planet Krypton.
At a conference in Japan, Encantadora claimed to offer it for sale, but only had enough to make one demonstration of its use in nanotechnology.
Kryptonite