There's a whole world of home science projects beyond the vinegar and baking soda volcano. Credit: peopleimages via Getty Images The vinegar and baking soda volcano is a science fair classic, but ...

IN a paper published by J. Kaplan in the Proc. Nat. Acad. of Science (14, 258; 1928) there are described some experiments on the afterglow accompanying the passage of an electric discharge through air ...