How 20 high school students will barrel down a Macon street using only gravity
By Andrea Honaker April 12, 2018 04:29 PM Macon, GA Hand-built vehicles will soon barrel down the 25-degree, 450-foot hill on Macon's Magnolia Street, some hitting speeds as fast as 25 mph. The primitive braking and steering systems will offer some control, but science is largely what the teen drivers will use to cross the finish line. Macon's annual Magnolia Soap Box Derby returns Saturday, kicking off at 10 a.m. with the high school Gravity Racing Challenge. Adults co