is your furnace broken or not working properly? there is no magic in science, so in no way the things you find in a cloud can be made lighter than air. you may not even be aware that you’re doing them! i too will be standing beside her image. to serve, i like to line the serving tray with parsley to keep the little tomatoes from rolling around. therefore, no upward power is generated, and the center of gravity of the main body of the robot cannot be moved above the obstacle. make sure your staff are friendly. 