How Personal Watercraft Work
Personal watercraft such as jet skis are used by millions of Americans each year, especially in the summer, but they weren't always that popular. How did they come about, and what laws and environmental concerns govern them?
A personal watercraft moves through the water in the same sort of way a rocket moves through the atmosphere. But instead of using high-pressure gas to generate thrust, the… » Full Story on HowStuffWorks
A personal watercraft moves through the water in the same sort of way a rocket moves through the atmosphere. But instead of using high-pressure gas to generate thrust, the… » Full Story on HowStuffWorks

