The spaceplane will take off using a rocket-powered rail sled, which is about two miles long. This sled – which would sit on top of a runway – accelerates the Radian One to 537mph. But the ...

“It’s not gonna happen. ... And even if I wanted to do that, that is a rocket sled to Palookaville to try to switch. I would make a pretty bad Republican," he said. Fetterman told the outlet ...

So I became one of the human guinea pigs who rode high-speed rocket sleds. T YATES: How old were you when you did the first test? A YATES: I was 19. When the sled took off, it was almost as if ...

An curved arrow pointing right. Magnetic levitation — also known as MagLev — is used all around the world to power high speed trains. It's also the technology Elon Musk wants to use to power ...

The sled is a static zonai device that doesn't have an inherent power. As its name implies, you can use to slide down surfaces. When attaching a fan or rocket to it alongside a Steering Stick ...

And on Friday, Feb. 28, they will get to showcase their hard work, when dozens of contestants climb aboard a cavalcade of homemade cardboard sleds and rocket down a snow-covered run, usually ...

As Black History Month comes to a close, StoryCorps takes a look back at 19-year-old Alton Yates. His role as a volunteer on the effects of high speeds on the human body helped send humans into space.