“Not a diamond,” Linkletter said. “It’s a lab-created silicon carbide. Pretty, but not valuable.”
“Then we’ll visit Professor Linkletter at the university. He has a diamond tester.” At East Texas Tech, Professor Linkletter reluctantly agreed to help. He placed the ring under a handheld device. The reading blinked: . young sheldon s02e08 hevc
Mary smiled. “When did you get so wise?” “Not a diamond,” Linkletter said
“Sheldon, no experiments. I just need a simple answer.” “Not a diamond