DEKALB COUNTY, Ga. — Parents in a DeKalb County community fear a roller coaster that a neighbor built for his children and others somehow played a role in 35-year-old Dectavious Moore's arrest on ...

Ten-year-old Lyle Pemble loves roller coasters so he asked his dad to build one in the backyard. It took six weeks to complete the project. Calif. Boy Enjoys Homemade Roller Coaster RENEE MONTAGNE, ...

In this video, a leaf blower is used in a hilariously creative way—to spin around on a chair like a homemade roller coaster. The experiment shows how the air pressure from the blower can propel a ...