This topic has 1 reply, 2 voices, and was last updated 6 years, 5 months ago by Dan Cottle. Author Posts 16 June 2015 at 20:31 #12630 How wou;d you use the Van ded graaf? 16 June 2015 at 20:33 #12631 You connect a wire from the top of the dome to one set of aluminium foil with a croc clip e.g. the cross in the middle. Another wire goes from the earth on the Van der Graaf to the aluminium foil around the rim. Start the generator and the ball will move Author Posts You must be logged in to reply to this topic.