Submarines operate for weeks or months beneath the ocean surface, cut off from the satellite signals that guide nearly every other modern vehicle. GPS radio waves cannot penetrate seawater beyond a ...

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...

Reports a test firing of a Trident missile from a Royal Navy submarine has failed for the second time in a row has refocused attention on the UK's nuclear capability. The current Vanguard nuclear ...

Submarines have been a little mysterious since they were invented more than two centuries ago. That's because most submarines have been owned by the military. But recently, subs have started to get ...

We rely daily on the GPS on our phones to get to many different places in our lives. However, the technology stops working in the depths of the ocean, which is why submarines need something different.

Following news of Australia acquiring used Virginia-class submarines from the US, AUKUS has been in the headlines again, but ...

Sinking a ship with a torpedo may seem like a sudden and dramatic act. In reality, such a strike comes only after hours, even days, of preparation and tracking effort. Submarines rarely rush their ...

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...

Submarines are a marvel of modern engineering, and the realities of operating one (as well as working and living on one) are ...

The submarine cable; the story of the submarine telegraph cable from its invention down to modern times. How it works, how cable-ships work, and how it carries on in peace and war. By Captain S.A.

The mystique of nuclear-powered submarines has been captured by at least half a dozen popular Hollywood films. Some have centered on the drama of undersea warfare and the risk of global nuclear ...