Dorien McConnehead uses a virtual reality simulator to learn welding skills at the Woodstock career center run by Goodwill of North Georgia. He sees computer-generated sparks, hears sizzle and feels resistance. — The Atlanta Journal-Constitution/TNS Picture this: you work in a warehouse and need to bring a part to the other side of the building. The floor of the warehouse is marked with pedestrian pathways for safety, but you see a shortcut and decide to take it – without loo