“Our device employs a scintillator, a specialized material that absorbs these gamma rays and converts their energy into visible light — similar to how glow-in-the-dark objects ...

Remove tape; let dry. WHAT TO DO Adhere strips of glow-in-the-dark duct tape to parchment paper. Draw 1-inch-tall X’s along the length of the tape, spaced 1 inch apart; cut out to get hexagons ...