Author(s): Suzanne Stewart Making bubbles at the NRAO Science Center. Zayah Hedrick, of Harman, watches as her ScribbleBot "draws" on a piece of paper. Visitors created the bots by using common items like markers, tape, a plastic cup and a small motor. Sherry Sizemore helps a couple of kids make bottle cap aliens. Green Bank resident Bob Sheets shares artifacts found on the historic site of Fort Warwick. Members of the WVU Astronomy Club make bubbles through a chemical reaction.