What keeps roller coasters on the track and riders safely in their seats? This video explores roller coaster safety, the ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. EDITOR’S NOTE: The attached video is Marcus ...