When one thinks of air-cooled motorcycles, vintage cruisers such as Harley-Davidson come to mind. However, Honda's wildly successful CB750 was also air-cooled. By comparison, liquid-cooled bikes came ...

Liquid nitrogen is fun stuff to play with, as long as you’re careful and avoid freezing your own fingers off and shattering them on the workbench. As the liquid turns to gaseous nitrogen at around ...

The Kohler Company, founded in 1873 as a manufacturer of cast iron bathtubs, now has manufacturing facilities spread around the world. Following World War I, rural Americans desired modern ...

Virgin Galactic, the world’s first commercial spaceline, announced today that it has reached a significant milestone in the testing of a new family of liquid rocket engines for LauncherOne, the ...

Modern spaceflight rests on a deceptively simple idea: a machine that carries its own fuel and oxidizer, then hurls exhaust backward fast enough to push itself forward. The person who first turned ...

As the world battles rising inflation, a cost-of-living crisis, climate change and more, it’s clear that the fossil-fueled status quo is not working. Fossil fuels may have seemed like the crutch we ...

A test launch vehicle, designed to verify the performance of the 75-ton liquid-fuel engine—the first space rocket engine developed with our own hands—is set to soar into the sky from the Naro Space ...

For decades, mankind was content to launch payloads into orbit and then watch hundreds of thousands of hours of blood sweat and tears just crash into the ocean. Then, partially because of huge ...

Recently, Toyota entered a hydrogen-powered GR Corolla in the 24-hour race at Fuji. But it wasn't powered by a hydrogen fuel cell like you see in the Toyota Mirai that uses hydrogen to generate the ...

Motorcycle engines live and die by how well they shed heat, and the choice between liquid and air cooling shapes everything ...