In today’s video, we compare cheap vs. expensive jet skis with our $14,000 Evo Jet Jet ski and the 2000 Scramjet Jet ski. Later we help Mike start a new business and stop by Zumiez for a meetup in the ...

Some ramjet and scramjet engines can even break the sound barrier, allowing aircraft to move at a hypersonic speed thanks to the engine's unique architecture. Let's look at the differences between ...

Building a jet engine yourself likely wouldn't be very easy, but the basic principle of how a jet engine works is fairly simple. Your average jet engine uses a series of fans to inhale air.

The first jet fuel scramjet makes its maiden free flight and reaches speeds of Mach 5.5 – the craft is being developed for use in missile warfare. Close. Advertisement. Skip to content.

The prototype jet was attached to a rocket and launched into the sky from a test site in Woomera, south Australia. On its descent back to Earth the rocket reached around 8000 kilometres per hour ...

NASA's third and last X-43A ``scramjet'' is set to streak over the Pacific Ocean on Monday at 7,000 mph for 10 or 11 seconds -- or 10 times the speed of sound.