Hit the Breaks! The Science to Stop a Free Fall There is nothing more fun at a Carnival than a Drop Tower. Strapped into your seat you slowly rise into the air and a split-second later tumble into a freefall. Hurdling towards the ground it’s a lot more fun if you stop in time. Come one and all to learn how magnetic or pneumatic breaks can keep heavy objects from crashing into the ground. Can you make a magnet float on a tower? Can you stop an object from falling just using air pressure? Come learn the secrets behind this classic thrill ride.