The National Inventors Hall of Fame has announced its class of 2025 inductees, including the two inventors who were behind one of Disneyland's most iconic attractions. The Matterhorn made history as ...

Of course, Miller's advance did nothing to mute the roller-coaster experience. On the contrary, where the side-friction wheel had limited velocity and the depth of the plunge, the under-friction ...

Have you made a backyard roller coaster, or are thinking about building ... The video below contains a time lapse of the steel wheel build ...

The total came to $49.27 from Home Depot for the wood and wheels. Stick around after the break to see a .GIF of it in action! We covered a similar backyard roller coaster last year, which featured ...