Here on land, the speed of a vehicle is recorded in either miles per hour or kilometers per hour. In either case, determining how fast you're moving on land is fairly simple because you can see ...

Cruise ships are powered by several of the most powerful engines available. These series of engines are needed by the ship to both propel its enormous mass and generate the electricity needed because, ...

North Atlantic right whales, a critically endangered species with fewer than 366 remaining individuals, face two main threats: fishing gear entanglements and ship strikes. Many ships do not obey ...