Aluminum foil ironclad on the port bow!

Alaric Fulton, 9, learned that using a layered design for his replica steam-propelled warship could help it withstand attacks. The boy took part in the ironclads session of “Civil War Tech: Science Adventures in History” at the Abraham Lincoln Presidential Library in Springfield, Ill. Participants used tinfoil to make an ironclad. They could bombard another’s ship with pennies, magnets, cotton balls, pencils and marbles. • Article